Hitachi Air Cleaner Purifier With Humidifying Function Users Manual TS_EP A5000_111207(E)

hitachi air purifier with humidifying function to the manual 28778647-c33e-4484-9ff4-8d0215ee195e

2015-01-24

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Instruction
Manual
Hitachi Air Puriﬁer
with Humidifying Function
Model

EP-A5000

Contents
Before Use
Features / Name of Each Component / Operation
Buttons and Indicators / Accessories · · · · · · · E-2
··
Safety Precautions · · · · · · · · · · · · · · · · · E-4
··
Cautions on Use · · · · · · · · · · · · · · · · · · · E-7
··
Preparations for Operation · · · · · · · · · · · E-8
··
· Setting Filter in Puriﬁer · · · · · · · · · · · · · · · · E-8
··
··
· Inserting Batteries into Remote Controller· · · · E-8
··
· Filling Water Tank · · · · · · · · · · · · · · · · · · · E-9
Installation · · · · · · · · · · · · · · · · · · · · · · · · E-9
··

Operating Air Puriﬁer
Using Remote Controller · · · · · · · · · · · · · E-10
·
·
· Starting Operation · · · · · · · · · · · · · · · · · · · E-10
·
· Selecting Operation Mode · · · · · · · · · · · · · · E-11
·
· Switching Airﬂow Rate · · · · · · · · · · · · · · · · E-12
·
· Max Operation · · · · · · · · · · · · · · · · · · · · · E-13
·
· Using Timer · · · · · · · · · · · · · · · · · · · · · · · E-13
Using the Control on Puriﬁer · · · · · · · · · · E-13
·
Memory Function / Sensors / Auto Detection · · · · E-14
·
·
· Memory Function · Air Sensor · · · · · · · · · · E-14
·
· Odor Sensor · Humidity Sensor · · · · · · · · · E-14
·
· Auto Detection · · · · · · · · · · · · · · · · · · · · · E-14
·
· Adjusting Sensor Sensitivity Setting· · · · · · · · E-15
Useful Feature · · · · · · · · · · · · · · · · · · · · · E-16
·
·
· Eco Operation· · · · · · · · · · · · · · · · · · · · · · E-16
·
· Dimmer Control · · · · · · · · · · · · · · · · · · · · · E-16

Cleaning and Maintenance
Thank you for purchasing a Hitachi air
puriﬁer.
This air puriﬁer is for home use only. Do
not use it for any other purpose than air
purifying.
Please read this instruction manual
carefully before use to ensure proper
operation of the unit.
Keep this manual for future reference in
an easily accessible place.

Read the “Safety Precautions”
to ensure proper use.

T_S-EP-A5000.indd 1

P.E-4-E-6

Cleaning · · · · · · · · · · · · · · · · · · · · · · · · · E-17
·
·
· When the “Clean Humidifying Filter” Indicator Comes On · · · · E-17
·
· Water Tank · Humidifying Filter · · · · · · · · · · E-18
·
· Replacing Humidifying Filter · · · · · · · · · · · · E-19
·
· Water Tray / Tray Cover · · · · · · · · · · · · · · · · E-19
·
· Pre-ﬁlter · · · · · · · · · · · · · · · · · · · · · · · · · E-20
·
· Puriﬁer Body· · · · · · · · · · · · · · · · · · · · · · · E-21
Filter Replacement · · · · · · · · · · · · · · · · · E-21
·
·
· Replacement Interval · Precautions on Filter Handling · · · · E-21
·
· Replacing the Filter · · · · · · · · · · · · · · · · · · E-22
Alert Display · · · · · · · · · · · · · · · · · · · · · · E-22
·
Troubleshooting Guide · · · · · · · · · · · · · · E-23
·
Replacement Parts · · · · · · · · · · · · · · · · · E-26
·
Speciﬁcations · · · · · · · · · · · · · · · · · · · · · E-27
·

11/14/2011 1:58:30 PM

Features / Name of Each Component /
Accessories
Humidity sensor

P.E-14

Senses humidity.

Filter assembly

Odor sensor

P.E-14

Senses odor in the air.
Remote controller

(Allergen-free, catechin deodorizing filter)

Handle

White surface: Dust filter
Black surface: Deodorizing filter

Humidifying filter
Water tank

Purifier

Pre-filter
Removes large size dust.
Indicator section
Tray cover

P.E-3

Water tray
Panel

Shutter
(air inlet)
Remote controller
pocket
Air outlet
Hand grip

Air inlet (around the panel)
No air inlet on the
panel front face.

Power cord
Power plug

Provided Accessories
Filter
Housed inside the
puriﬁer.
* Be sure to remove
this ﬁlter from plastic
bag before operating
the puriﬁer.

Pre-ﬁlter

Remote controller

“AAA” R03
batteries for
remote controller

Humidifying filter

ᚻ೨

(x1)

(x2)

(x1)

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Operation Buttons and Indicators /

P.E-OO shows a page with further description.

Operation Buttons and Indicators
Humidity Level

Airflow Level

P.E-10, E-14

Indicates approx. humidity level in the
room during operation.

On/Off Button

P.E-12

Low
Moderate
High
Orange Orange Green Orange Orange

: Silent
: Med
: Strong or Max (blinking)

Operation Mode

P.E-11

Shows the operation mode.
Air Purify, Pollen, Strong
Deodorization
Indicator: Green
When strong deodorization and timer
functions are used in combination,
the indicator blinks in orange.

Humidify, Skin Moisturize
Indicator: Orange

Timer

P.E-13

The indicator is lit when
4-hour timer is set.
(Indicator: Orange)

P.E-13
Use this button to start
or stop operation and to
switch the operation mode.

Infrared Remote Receiver
Receives remote
control signal.

Air Sensor

P.E-14

Level of air contamination detected
by the odor sensor is shown by how
the indicator is lit. (Indicator: Green)

Clean Humidifying Filter

P.E-17

Shows the time to clean the
humidifying filter. (Indicator: Red)

Remote Controller
Point the remote controller at the infrared receiver on the purifier when you operate.
The remote controllable distance is approx. 6m maximum when pointing the remote
controller squarely to the receiver.

On/Off Button

P.E-10

Airflow Button

P.E-12

Press this button to switch
airflow rate.

Press this button to start or
stop operation.

Mode Button

eco Button

Press this button to switch
operation mode.

P.E-16

Press this button to start or
stop eco operation.

Features / Name of Each Component / Operation Buttons and Indicators / Accessories

Indicates airflow rate during operation.
(Indicator: Green)
: Airflow rate during auto operation
: Indicates eco operation is active.
When airflow rate is switched using the airflow button on
the remote controller, the selected airflow rate is indicated.

Timer Button

P.E-11

P.E-13

Press this button to set
Off-timer.

Max button

P.E-13

Press this button to start
max operation.

Note

Sensor Setting Button

P.E-15

Press this button to switch
sensor sensitivity.

The remote control may not work in a room where inverter lighting apparatus or electronic quick
start lighting apparatus is used, or when the infrared receiver is exposed to direct sunlight.
If you operate the remote controller not pointing straight to the front face of the purifier, the sensitivity
will be reduced. Operate the controller from the place in front of the purifier whenever possible.

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Safety Precautions

Please read the following safety precautions carefully before using the air purifier.

To prevent injury to the user or other people and property damage, the following instructions must
be followed. Also read the precautions appearing in the text carefully to ensure proper use.

Definition of each indication
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classiﬁed by the following indications.

WARNING

This symbol indicates the
possibility of death or serious
injury.

CAUTION

This symbol indicates the
possibility of injury or damage
to property.

Meanings of Symbols
Indicates “warning or caution”.
Indicates “prohibition”.
Indicates a “must”.

WARNING
To Prevent Fire, Electric Shock and Injury
AC Outlet, Power Plug and Power Cord
Before cleaning and other maintenance, be

sure to unplug the power cord from AC outlet,
and never pull it out or insert it with wet hands.
Otherwise, it may cause electric shock or injury.

Panel

Be sure to hold the plug, not the power

Purifier

cord, when unplugging it from AC outlet.

Power cord

It may cause electric shock or short-circuit, resulting in a ﬁre.

Be sure to unplug the power cord from AC outlet when

Power plug

leaving air puriﬁer unused for an extended period of
time. Also drain the water tank and water tray.

Otherwise, it may cause electric shock, ﬁre or unpleasant odor.

Securely insert the power plug into AC outlet.
Otherwise, it may cause electric shock, ﬁre, smoke
emission and ignition.

Clean

Remove dust of the power plug periodically using a dry cloth.
Otherwise, it may cause a ﬁre.

When you notice anything abnormal (water leakage, burnt
odor, etc.) stop the operation and unplug the power cord.
It may cause electric shock or ﬁre due to ground
leak or short-circuit.

In the event of damaged power cord, it must be

replaced by the manufacturer or its representative
or equivalent qualiﬁed personnel to avoid the risk.
Do not use with a voltage other than 220-240V AC.
Otherwise, it may cause a ﬁre or electric shock.

Do not damage the power cord.

(Do not break, modify, forcibly bend, pull
or twist it. Also do not place any heavy
object on it or pinch it.)
Otherwise, it may cause a ﬁre or electric shock.

220-240V

Do not use damaged power cord or power
plug, or loose socket.

Otherwise, it may cause electric shock,
short-circuit or ignition.

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WARNING
Water Tank, Water Tray and Humidifying Filter

Do not operate the unit without setting any of the water tank, water tray

Handle

and humidifying ﬁlter in place.
Otherwise, it may cause injury or unit failure.
Do not use any detergent (neither kitchen nor laundry use) when cleaning
the water tank or water tray.
Ingredients of detergent may cause damage and subsequent water leakage, or
electric shock, injury or unit failure.
Do not carry the water tank by holding its handle.
Dropping the tank may cause inadvertent injury or other accident.
Do not disassemble the tank cap.
Otherwise, it may cause inadvertent accident such as small children swallowing it by mistake.

Water tank

Place of Use
Do not use in a humid place such as in bathroom.

Safety Precautions

Tank cap

It may cause electric shock or unit failure.

Do not place air puriﬁer near a hot object such as a heater.
It may cause unit failure or deformation.

Do not use in a place where soot of oil, such as machine oil, is ﬂoating in the air.
It may cause a crack or ﬁre.

Do not use air puriﬁer in a kitchen as a substitute of ventilating fan.
It may cause a unit failure.

Do not use in a place where any organic solvent or chemicals are used.
It may cause a discoloration, deformation or ﬁre.

Do not use the air puriﬁer in a place where a machine tool such as a grinder
and welder that produces sparks such as ﬂammable dust is installed.
Sparks may cause ﬁre.

Purifier Body and Panel
Do not use benzene or thinner when wiping or spray ﬂammable gas such

Flammable
gas

as insecticides.
It may cause a crack, electric shock, catching of ﬁre and explosion.
Do not let air puriﬁer intake inﬂammables, lit cigarettes or incense.
It may cause a ﬁre.
Securely hold the grip when carrying air puriﬁer.
Dropping it may cause injury or damage to it.

Miscellaneous
In case the unit becomes inoperative or anything abnormal such as smoke or

unusual odor is noticed, immediately unplug the power cord to prevent possible
accident and contact your dealer for check and repair.
It may cause electric shock or ﬁre due to ground leak or short-circuit.
Ventilate a room frequently if any heating appliance is simultaneously used with air puriﬁer.
Otherwise, it may cause carbon monoxide poisoning.
The appliance is not to be used by children or persons with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction.
Children should be supervised to ensure that they do not play with the appliance.
Never attempt to disassemble, modify or repair by yourself.
It may cause a ﬁre, electric shock or injury. (Contact your dealer for repair.)
Do not put your ﬁnger or any other object into air outlet and inlet.
It may cause injury or unit failure.
Do not submerge or splash water on the unit. Also avoid ﬁlling water directly into the unit.
It may cause electric shock or short-circuit.
Do not tilt or tip over the unit. Do not put your weight on the unit or step on it.
It may cause tipping over of the unit and injury or water leakage.
Do not install in unstable place or anywhere near infant child.
It may cause tipping over of the unit and injury.

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Safety Precautions (Continued)
CAUTION
Miscellaneous
Securely hold the grip when carrying air puriﬁer.

Dropping it may cause injury.
When you attach or detach the panel
and water tank, do it slowly and securely.
Otherwise, it may cause water leakage or
injury of ﬁngers pinched.
Use dry cell batteries properly after
reading the precautions on them.
Renew water in the water tank daily using
tap water and clean the tank periodically
according to the instructions given in the
“Cleaning” section of this manual.
Continued use without cleaning may
allow propagation of molds or bacteria
due to dirt and water scale, producing
unpleasant odor. In rare cases, they may
cause a health risk to those who are
hyperactive. In such a case, please seek
medical advice.
Only use fresh tap water
Otherwise, it may cause deformation
or degeneration of parts, unit failure or
unpleasant smell due to propagation of
molds or bacteria. Do not use hot water
(over 40ºC), water through water puriﬁer,
alkali ion water, mineral water, well water
or the like. Do not put organic solvent or
chemicals into the water tank.
Do not drink, or let drink, water in the
water tank and water tray.
It may cause a health threat.
Do not leave the detached water tank
with its cap closed.
Inner pressure of the tank changes
according to ambient temperature change
and may cause water leakage or injury
due to deformation or damage.
Use a genuine ﬁlter for the Hitachi Air Puriﬁer.
Other ﬁlters may cause unit failure.

Do not operate the unit when

using fumigating (smoking) type
insecticide.
Using such insecticide will cause
chemicals to accumulate in the unit and
to be emitted by subsequent operation,
which can be harmful to heath.
After using insecticide, ventilate the
room well before running the puriﬁer.
Do not allow water to freeze.
Water tank may be damaged, causing
a risk of electric shock and unit
failure. Whenever freezing of water is
anticipated, drain the water tank and
water tray.
Do not use the puriﬁer having water
leakage trouble.
It may cause electric shock. When
water leaks, unplug the power cord
from AC outlet and ask for repair.
Do not carry the puriﬁer with its
water tank ﬁlled.
It may cause water leakage or injury.
If you carry the puriﬁer with ﬁlled water
tank, level of water in the tray will rise
and cause the water to overﬂow when
operated.
Drain the water tank and water tray
ﬁrst, and set them on the unit before
carrying.
Do
not tip over or drop the water
tank when it is ﬁlled.
It may cause injury or result in deformed
or damaged tank. Hold the tank
securely when you ﬁll it with water.
Do not look into the indicator.
It may cause injury to your eyes.

To Prevent Floor Scratches or Wall Stains
During Cleaning / Place of Use
During cleaning, lay a soft cloth on

the ﬂoor and place the puriﬁer and
detached components (panel, water
tank, water tray, etc.) on it.
Otherwise, it may cause scratches on
the ﬂoor.
When you pull out the water tray, be
careful not to scratch the ﬂoor with
bottom of the tray.

Do not use the air puriﬁer near the

wall that cannot be scrubbed such
as cloth-covered white wall.
The air puriﬁer will take in the
surrounding air and may produce local
stains.

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Cautions on Use
Do not install in an unstable or sloped
place, or near any obstacles.

Air drafts may adversely affect them.

Do not place anything on the air
purifier body, and do not block the air
inlet or air outlet.
Acts of the sort may cause unit
failure.

It may cause damage on floor or carpet surface.

Do not touch or move the unit (angle
or lift the unit) during operation.

Do not run with filter detached.

Moving the operating unit may cause the fan to
contact the inner case, resulting in noise and
possibly unit failure.

No cleaning effect is
obtainable without filter.
Running without filter
may also cause unit
failure.

Do not place the purifier in a place exposed
to direct sunlight.

Do not block or touch the infrared
receiver, odor sensor or humidity sensor.

Direct sunlight may
cause deformation,
discoloration or
malfunction.

Infrared receiver may be stained
or damaged to reduce its
sensitivity.
Sensors may be degraded in
their sensitivity.

Do not install in a place where the air from the
purifier will blow directly on furniture, electric
appliance, wall or ceiling.
Humid air may cause stain
or deformation of furniture,
or may cause unit failure.

Cautions on Use

Do not drag the unit on any floor susceptible
to scratches or on thick carpet.

Safety Precautions

The unit may fall or drop,
resulting in damage or unit failure.
If the space between the unit and
floor remains humid, the floor
may get moldy.
Using the unit tilted may cause
water leakage.

Do not directly fan animals and plants.

Do not subject remote controller to impact.
Do not drop the remote
controller or step on it, and
do not place any object on
it. Doing so may cause unit
failure.

Do not subject water tank to impact.
Water may leak from the tank
to wet the floor. Also water
may drip from the tank cap to
wet the floor.

Ventilate closed room occasionally.
The air purifier does not have a ventilation
effect.
✽The air purifier cannot
remove hazardous
substance in cigarettes
(carbon monoxide, etc.).

Do not use near television or radio.
Broadcast may be
interfered. Install the air
purifier 2m or more away
from such devices.

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Preparations for Operation
Lay a soft cloth or the like beneath the purifier to protect the floor against scratch.

CAUTION No cleaning effect is obtainable if the filter is installed with plastic bag. It may also be a cause of malfunction.

Do not tip over or tilt the purifier.

Setting Filter in Purifier (Perform the same procedure when replacing filter.)
Remove the panel.
Place the unit on a level, stable surface.
Hold the panel at both sides, pull it
gently forward and then slightly upward,
and remove it.

Disengage the tabs of the
pre-filter (4 locations).

Remove the pre-filter.

Remove the filter.
Remove the filter packed in a plastic bag from inside the unit.
Take the filter out of a plastic bag.
Remove the packing.

Be sure to remove the packing.

Install the filter.
FR
ON

Install the filter on the unit.
Install the filter so that the arrow
“Ļ FRONT” on the filter side face
will face the panel.
Install the pre-filter.

Note

Filter

White face of
the filter should
face the front.

Be sure to take out the filter from a plastic bag.
Do not block the filter front face with cloth or paper.

Engage the tabs of the
pre-filter (4 locations).

Reinstall the panel on the unit.
Insert the two tabs on top of the
panel into the two holes on the unit.
Gently push bottom of the panel until
it clicks to close it securely.

Insert into the hole.

To avoid having difficulty in installing the panel, do not push the panel with a single hand or do not push it anywhere except its bottom.

Inserting Batteries into Remote Controller
Remove the battery
compartment cover.
Cover

Insert batteries and close the cover.
Insert the provided two “AAA” R03 batteries
with the correct polarities as instructed.
Since the batteries are provided when shipped from
the factory, their lives may be shorter than brand-new
ones because of self-discharge.
Batteries are consumable
When replacing batteries, replace the two batteries simultaneously.
Only use two manganese batteries or two alkali batteries.
Do not mix them.

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Filling Water Tank (for Humidify Mode and Skin Moisturize Modes)
Gently remove the water tank.

Rubber packing

Handle

Check that the tank cap is equipped
with a rubber packing.

Loosen
Tighten

Handle

Hold the water tray.

Pull out the water tray, check
that the humidifying filter and
tray cover are equipped, and
then retract the tray.
The humidifying filter absorbs water supplied
from the water tank for humidifying operation.

Press the center pin of the tank cap, and check that it
comes back by spring.
Tighten the tank cap firmly, wipe off spilt water, and
check that there is no water leakage.
Wipe off water on the water tank handle if any.
The tank cap is a consumable part.
P.E-26
(If it leaks water due to deteriorated rubber packing,
please purchase separately available part for
replacement.)

Installation

CAUTION

Do not carry the water tank by holding its
handle. Instead, hold the tank with both
hands and carry it while keeping the tank
cap side up. When the water tank is wet,
wipe off water drops before carrying.

Do not push in the
pin in the cap center.
Doing so may cause
water leakage.

Preparations for Operation

While pressing the upper part of the
water tank handle, lift it obliquely
upward, and remove the water tank by
supporting it in the bottom.

Remove the tank cap and fill fresh tap
water of normal temperature.

Set the water tank into the water tank
holder.
Be sure to handle the water-filled tank with both hands.
Press in the tank securely until it clicks. Inadequate
setting may cause the water tank to fall or result in water
leakage.

Humidifying filter

Water tray
Tray cover
Water tray
Slowly pull out the water tray while lifting it
obliquely upward.

CAUTION

Note

CAUTION

When you remove the water tank, water may
drip from the tank cap. Lay a dry cloth before
removing the water tank.

Do not set the water tank without having the water tray in place. Otherwise, the water tank may tip over.
When you pull out the water tray, be careful not to scratch the floor with bottom of the tray.
Do not leave the detached water tank with its cap closed.
Inner pressure of the tank changes according to ambient temperature change and may cause water
leakage or injury due to deformation or damage.
Humidifying function works automatically when the water tank and water tray are filled with water.
If you do not need humidification, operate the unit without filling water in the water tank and water tray.

Installation
Install the purifier on a level, stable and sturdy surface.
Avoid any place close to cooling or heating appliance, and select a well-ventilated place.
Keep the purifier at least 90 cm away from the walls in both sides. Otherwise, discharged air will mix with
surrounding air and the walls may become dirty.

WARNING

Do not place the purifier on unstable floor or pedestal.
Falling or dropping of the purifier may cause damage, failure or water leakage.
Using the purifier in an inclined position may cause water leakage.

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Using Remote Controller
Here we describe how to operate the air purifier using the remote controller. For the operation using
the control on the purifier, please refer to page E-13.

Starting Operation
Remote Controller

Air Purifier

Indicator Section

On/Off Mode Airflow
On/Off
(Approx.)

Timer

Humidity Level
(Green)

Max

Sensor
Setting

Strong
Air Purify Pollen Deodorization

(Orange) Humidify

Securely insert the power plug
into AC outlet.

Skin
Moisturize

Timer (4hrs)

In the first 3 minutes after the power cord is plugged
in, the unit will check room air condition and save
it in memory. During the time, the “Air Sensor”
indicator and “Humidity Level 50” indicator will blink.
You may start the operation in less than 3 minutes
after plugging. In this case too, the “Air Sensor” and
“Humidity Level 50” indicators will continue to blink.
After 3 minutes, the indicators will stop to blink and
show the level of air contamination and humidity.

On/Off

Press

Clean
Air Humidifying
Sensor Filter

Max(Blinking)

Auto

Blink

button.
Blink

Operation starts and the indicators are lit.
The “Air Purify” mode indicator is lit in green. *

On/Off

Pressing
button during
operation will stop the operation.

(Orange)

Lit in green

Note
If On/Off button is not pressed after plugging the power
cord, all indicators will go off after the “Air Sensor” and
“Humidity Level 50” indicators blink for 3 minutes.
(Remote controller operation is accepted even in
this state.)
*

The factory setting is “Air Purify”.
From the second time onward, the memory function enables the operation with memorized conditions.

P.E-14

Stand-by Power Consumption
So long as the power plug is left inserted in AC outlet, approx. 3W power will be consumed even if the unit
is not used. (Unplug the power cord when the unit is left unused for an extended period of time.)

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Selecting Operation Mode (Basics)
5 operation modes are available for your choice.
In every operation mode, the fan will not stop during operation.
(In the eco operation mode, the fan may stop.
P.E-16 )
In every operation mode, air purifying function will work.
Upon every switching of operation mode, airflow rate is set to “Auto”.

Operation Modes and Tips for Selection
Mode
Air Purify
(Green)

Tips for Selection
This is a normal operation mode.
The odor sensor detects the degree of air contamination, and airflow rate is switched automatically.
During automatic operation, airflow rate ranges from Silent to High.

This mode is recommended when you have concerns about pollen contamination.
The operation with Medium airflow is continued for 20 minutes. Then the odor sensor detects the degree of air
contamination and automatic operation is continued for another 20 minutes. After that, these operations are repeated.
During automatic operation, airflow rate can be any of Silent, Low or Medium.

This mode is recommended when you have concerns about room odor.

Strong Deodorization
(Green)

The odor sensor detects the degree of air contamination and switches to the operation with higher airflow than Air Purify mode.
During automatic operation, airflow rate ranges from Low to Max.
In the first one minute, Max airflow operation is performed regardless of the level of air contamination.

Humidify
(Orange)

Room air humidity is controlled to approx. 50%.

Skin Moisturize
(Orange)

Room air humidity is controlled to approx. 60%.

Using Remote Controller

Pollen
(Green)

During automatic operation, airflow rate ranges from Silent to High.

* The indicator is lit in orange when off-timer setting is made.

Note

During operation, vibrations from the unit may slightly rock the water in the water tank.

On/Off Mode Airflow

Timer

Selected operation mode indicator is lit.

Mode
Press

button.
On

Max Sensor
Setting

Operation mode
switches every time
you press this button.

Operation mode switches every time you press Mode button.
Strong
Air Purify
Pollen
Humidify
Skin Moisturize
Deodorization
The airflow rate is set to “Auto” by switching the operation mode.

E-11
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Using Remote Controller (Continued)
Airflow rate
When “Auto” is lit, the following airflow rate is used according to the selected operation mode.
The airflow rate indicators from “Silent” to “Max” are not lit.

Mode

Airflow Range

Air Purify

Silent

Low

Medium

Pollen

Silent

Low

Medium

Low

Medium

Strong Deodorization

High

Max

When humidity level indicates 60% or higher

Humidify

Silent

Low

Medium

High

When humidity level indicates 70% or higher

Skin Moisturize

Silent

Low

Medium

High

According to the level of air contamination and humidity detected by the odor sensor and humidity sensor,
airflow rate is automatically switched to an appropriate level.

Note
So far as the water tank and water tray are filled with water, humidifying function works in any of “Air Purify”,
“Pollen” and “Strong Deodorization” modes. If you do not want humidifying function, drain the water tank,
water tray and humidifying filter.

Switching Airflow Rate
You can select a desired airflow rate from the four different levels.
Airflow rate switches every time you press Airflow button.

Airflow
Press

button.
On

Airflow rate switches every
time you press this button.

Airflow rate changes in the following sequence.

Auto
Silent

Medium

High

Blinking
(Max)

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Max Operation
This operation is useful when many people smoke or when you want quick cleaning of room air.

Max
The airflow indicator

Press

blinks for 5 minutes.

button.
Blink

The operation with Max airflow
will continue for about 5 minutes.
How to cancel

After Max operation, the status
before Max operation is resumed.

On/Off
Press

Max
button or

button during operation.

It takes about 10 seconds until the air flow rate reaches Max.

Timer

Press

Using Remote Controller

Using Timer
The timer indicator is lit on.

button.
On

Off-timer (4 hours) is set.

Timer

Operation will stop approx.
4 hours after timer setting.

Every time you press

button, “Set”

and “Cancel” will alternate.
When you set Off-timer in Strong Deodorization mode, the indicator (orange) is lit on.

Using the Control on Puriﬁer
Press

Using the Control on Purifier

How to set/cancel

button.
Operation starts.

Every time you press

button, the operation

mode switches in the following sequence so that you
can choose a desired mode or stop.
Air
Purify

Pollen

Strong
Deodorization

Humidify

Skin
Moisturize

Off

The airflow rate is set to “Auto” by switching the
operation mode.

E-13
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Memory Function / Sensors / Auto Detection
Memory Function
When you stop the operation and then restart, the puriﬁer will resume the operation status before shutdown.

If you operate the puriﬁer for approx. 5 seconds or longer, the operation status will be stored in memory.
(If you stop the operation within less than 5 seconds, the operation status will not be stored in memory.)
Even if you unplug the power cord, the operation status will be stored in memory. However, the airﬂow rate is
automatically set to “Auto”.

Air Sensor
Level of air contamination detected by the odor sensor is shown by the way the indicator is activated.
Indicator action
: Lit in green
Contamination level: Clean

Blink in green
Contaminated

Note

You can adjust the air sensor sensitivity setting as desired.
P.E-15
In case the puriﬁer is installed in a place where air contamination is hard to detect or in case the sensor itself
is not clean, the indicator action may not change.

P.E-23

Odor Sensor
The sensor detects odor in air such as cigarette smoke or odor of pet animals. Even
when you feel the air is clean, the puriﬁer may continue the operation if the odor
sensor ﬁnds any gas component not removed by the ﬁlter.
Any of the following may also be detected by the odor sensor.
Combustion gas from heating appliance, alcohol, odor of perfumes or cosmetics used
in beauty parlor or aesthetic salon, sprays, vapor, abrupt temperature change, etc.
Odor sensor

Humidity Sensor
The humidity sensor ﬁnds the humidity of room air during operation.
Humidity level should be taken as a guide only.

The indication may differ from hygrometer reading.
Humidity will change as temperature changes.
Humidity level may differ between well-ventilated and ill-ventilated places.
Humidity Sensor

Auto Detection
The air puriﬁer performs automatic operation by detecting room air contamination with “Odor Sensor” and
room air humidity with “Humidity Sensor”.
In the ﬁrst 3 minutes after the power cord is plugged in, the unit will check room air condition and save it
in memory. During the time, the “Air Sensor” indicator and “Humidity Level 50” indicator will blink. After
3 minutes, both the “Air Sensor” and “Humidity Level 50” indicators will go off and the puriﬁer is now
ready to operate.
You may start the operation in less than 3 minutes after plugging the power cord.
In this case too, the “Air Sensor” and “Humidity Level 50” indicators will continue to blink, meaning the
unit is checking room air condition. After 3 minutes, the indicators will show your room air conditions.
If you plug in the power cord under contaminated air condition, the sensor sensitivity may be reduced. In such a
case, perform High or Max operation. Or you may try to make the room air cleaner by opening a window before
plugging the power cord. If the sensor sensitivity remains low after this, change the sensor sensitivity setting.

E-14
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Adjusting Sensor Sensitivity Setting
Sensor sensitivity can be adjusted in 3-step fashion.

In each operation mode,
Sensor
Setting

press

button.

(Use the tip of a ball-point pen or
the like.)

The airflow indicator will blink
for 5 seconds.

The factory setting is “Medium”.

button.

Blink
Every time you press the button, the setting switches.

(Low)

(Medium)

(High)

Memory Function / Sensors / Auto Detection

While the airflow indicator is blinking,
Sensor
Setting

press

Present setting is shown by the airflow
indicator that blinks for 5 seconds.

E-15
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Useful Feature
Eco Operation
In the eco operation mode, the unit automatically pauses when the air in the room is clean to save
money on electricity. Furthermore, if this state continues more than 8 hours, the unit automatically
stops operation. (In humidifying operations, the unit will not pause at a certain humidity level.)
Normal automatic operation
When the air is clean, the unit continuously operates at
“Silent” airﬂow. (In the strong deodorization mode, the
airﬂow rate is set to “Low”.)
Silent
Eco operation
When the air is clean and “Silent” operation continues
for 10 minutes or longer, the fan stops for about 50
minutes and the unit intermittently operates at “Silent”
airﬂow for about 10 minutes.
If this state continues more than 8 hours, the unit
automatically stops operation.
The odor sensor detects the degree of air contamination
during eco operation. If the sensor detects odors,
the airﬂow switches according to the degree of air
contamination. When the air becomes clearer and the
unit runs for 10 consecutive minutes or longer at “Silent”
airﬂow, then the unit starts intermittent operation.

operation
Stop
10 minutes
Silent
operation

10 minutes

50 minutes

10 minutes

50 minutes

Stop

“eco” indicator is lit.
Press

button.
On

The mode is set to eco operation.

How to set/cancel
Every time you press

button, "Set" and

"Cancel" will alternate.
The settings are stored.

Dimmer Control
If you feel uncomfortable about indicator lightings when you go to sleep, press

button on the

purifier unit for 3 seconds or longer to dim the indicators.

Press
longer.

button for 3 seconds or
The indicators are dimmed.

How to set/cancel
Every time you press

button, “Set” and

“Cancel” will alternate.
The setting will be saved in memory.

E-16
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Cleaning
Before cleaning, be sure to stop operation and unplug the power cord from AC outlet.

WARNING

Do not splash water on the purifier body. Water splash can be a cause of failure.
Do not use a volatile solvent, such as gasoline, thinner, benzene, wax, kerosene, alcohol, etc. or
polishing powder, or detergent (neither kitchen nor laundry use).
Such chemicals could cause deformation, discoloration, damage or removal of prints.
Do not tilt or tip over the unit.

CAUTION

When using a chemically treated cloth, follow its instructions.
Never use dryer or heater to dry the purifier case. Heating could cause deformation, discoloration,
damage or removal of prints.
Lay a soft cloth or the like beneath the purifier to protect the floor against scratch.

When the “Clean Humidifying Filter” indicator is lit, clean the humidifying filter, water tray and tray cover. The
“Clean Humidifying Filter” indicator will come on approx. one month (approx. 720 hours) after the start of use
or after the reset button was pressed upon finishing previous cleaning. Depending on the tap water used,
water scale may adhere earlier. If the filter contamination is heavy, clean the filter more than once a month
before the “Clean Humidifying Filter” indicator is lit.
When you are done with cleaning, press the reset button. The “Clean Humidifying Filter” indicator will go off.

When the “Clean Humidifying Filter” Indicator Comes On
Remove the humidifying filter from
the water tray.
Humidifying ﬁlter

Water tray

Useful Feature

Remove the water tank, and then
pull out the water tray.
P.E-9

Water tray
ᚻ೨

Slowly pull out the
water tray while lifting
it obliquely upward.

CAUTION

When you pull out the water tray, water may spill out or the floor may be scratched with
bottom of the tray. Lay a soft cloth or the like beneath the purifier to protect the floor.

Clean the humidifying filter, water tray and tray cover.

P.E-18, E-19
When the purifier body is shaken or rocked, water may gather in other part of the water tray not to be
fitted with the humidifying filter.
After you pulled out the water tray, be sure to remove the tray cover and wipe off water or clean it.
Humidifying ﬁlter

Set the humidifying filter.

ᚻ೨

Install the water tray, and then
mount the water tank.

ᚻ೨

Remove the panel.

Plug the power cord in AC outlet
and press the reset button located
behind the panel.

P.E-8
“Clean Humidifying
Filter” indicator (Red)

Press the reset button located behind the panel.
(Use the tip of a ball-point pen or the like.)
Check that the “Clean Humidifying Filter” indicator
is now OFF.

Mount the panel on the unit.

Marking

Cleaning

Slowly insert the humidifying filter into the tray cover.
Insert the filter fully until it comes into positive contact
with bottom of the tray. Inadequate fitting may cause
water leakage during operation.

Reset button

P.E-8

E-17
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Cleaning (Continued)
Water Tank (Guide for cleaning: Daily)
Change water daily with fresh tap water.
Discard remaining water in the tank if any.
Pour small quantity of tap water, tighten the cap firmly and shake to wash.
(Change water and repeat the steps 2-3 times.)

WARNING

Do not use detergents (neither kitchen nor laundry use) for cleaning.

CAUTION

Do not push in the pin at the cap center. Doing so may cause water leakage.
Be sure to stop operation before removing the water tank.
Do not set the water tank without having the water tray in place. Otherwise, the water tank may tip over.
When you remove the water tank, water may drip from the tank cap.

Humidifying Filter (Guide for cleaning: Once a month)
The humidifying system employed in this product is of evaporating type that produces moisturized air by
passing air stream through the humidifying filter.
Depending on application environment, dirt or odor may adhere to the humidifying filter even when the
“Humidify” or “Skin Moisturize” mode is not performed.
When "Humidify" or "Skin Moisturize" mode is used, be sure to pour tap water into the water tank.
Although the humidifying filter has been given anti-bacterial and anti-mold processing, it may get slimy or moldy,
or may be discolored to pink, red, green, brown or gray within a short period of use depending on the quality of
tap water used and application environment. (Discoloration has no effect on humidifying performance.)
It is recommended to clean the filter as often as practicable regardless of whether the “Clean
Humidifying Filter” indicator is lit on or not.
Early replacement of the filter is recommended if it exhibits any of the following conditions despite periodical cleaning.
Heavy dirt, adhering water scale too hard to remove, harsh odors, damage or deformation
If you do not use the “Humidify” or “Skin Moisturize” mode, drain the water tank and water tray.
Remaining water can be a cause of dirt or discoloration.

೨

ᚻ

Do not disassemble the humidifying filter and its casing.
Submerge the
Change the water
humidifying filter in any
and rinse the
of water, lukewarm water
humidifying filter by
or water with neutral
shaking it.
kitchen detergent for
(Repeat the steps
30 minutes or longer.
2-3 times.)

೨

When you use neutral kitchen
detergent, rinse the filter well so that
no detergent remains.

೨

ᚻ

Shake lightly to drain off water.
(Continue until no more dripping
occurs.)

ᚻ

Do not disassemble the humidifying filter and its case.
When you use neutral kitchen detergent, follow
the instructions given by the manufacturer.
(Only use neutral kitchen detergent.)

As you operate the air purifier, whitish or brownish water scale will adhere inside of the water tray or to
the humidifying filter surface. Water scale is the remnant of minerals in tap water that has not evaporated.
If you continue to use the filter without cleaning the water scale, it will get hard and difficult to remove,
resulting in lower humidifying performance.
Depending on the quality of tap water used, water scale may adhere quickly.
In such a case, the cleaning should be done sooner.
When you rinse the humidifying filter, rinse it as assembled with its case. Do not remove the case.
(Removing the case may cause deformation or damage.)
Do not scrub the humidifying filter with brush or press forcibly to deform.
(It may cause damage and deterioration of performance.)
New humidifying filter may smell at the beginning. This is normal.
Replace the filter early if it is damaged.

CAUTION

Washing the humidifying filter with citric acid will deteriorate the anti-bacterial and anti-mold performance.
Do not install the humidifying filter if containing too much water. It may cause water leakage.

E-18
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Replacing Humidifying Filter
The humidifying ﬁlter is a consumable part. Replace it using 24 months of use as a guide (cleaning is
needed once in every month).
Early replacement of the ﬁlter is recommended if it exhibits any of the following conditions despite periodical cleaning.
Heavy dirt, adhering water scale too hard to remove, harsh odors, damage or deformation
Depending on the quality of tap water used, the humidifying ﬁlter may be consumed extremely early.
Detach the case and replace the humidifying ﬁlter.

Do not dispose of the humidifying filter case.

To detach the case, push the 3 tabs.
Detach the case by opening in

directions.

Tab

Humidifying ﬁlter

ᚻ೨

Tab
Replacement humidifying ﬁlter
No. EP-DX40E-908

The humidifying filter is flammable. Dispose of the filter according to local regulations.

Water Tray / Tray Cover (Guide for cleaning: Once a month)
Do not use any detergent.
Remove the tray cover.

Wash with water to remove dirt.

Remove the tray cover from the water
tray.

Drain water remaining on the try.
Use cotton swab or tooth brush to remove
dirt in the narrow parts.

Tray cover

Wipe off water and assemble.

Cleaning

Water tray

Tray cover

Attach the tray cover to the water tray.
Water tray

WARNING Do not use any detergent (neither kitchen nor laundry use).
CAUTION

When you mount the water tray on the unit, the tray should be empty.
Otherwise water may spill out.

E-19
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Cleaning (Continued)
Pre-filter (Guide for cleaning: Once a month)
To clean the pre-ﬁlter, follow the steps below.
Remove the water tank, and then pull out the water tray.

P.E-9

(This is to prevent water leakage.)

CAUTION

When you remove the water tank, water may drip from the tank cap. Lay a dry
cloth before removing the water tank.

Remove the panel.

P.E-8

Remove the pre-filter.
Disengage the four tabs of the pre-ﬁlter.

Disengage the four tabs
of the pre-filter.

Clean the pre-filter.
Use a vacuum cleaner or the like to remove dust. If the dust
cannot be removed, wash off with water. After washing, fully
drain the pre-ﬁlter and then dry it in a well-ventilated place
not exposed to sunlight.

When you wash the pre-ﬁlter, use a soft toothbrush or the

Vacuum cleaner
attachment for
cleaning shelves

Pre-filter

like.

you want to remove dust on the filter, use a vacuum
cleaner. (The ﬁlter is not washable.)

Reattach the pre-filter.
Insert the four tabs securely

Filter
(not washable)

into the holes on the purifier

and ﬁx the pre-ﬁlter.

Pre-filter tabs

Reattach the panel.

P.E-8

Install the water tray, and then mount the water tank.

P.E-9

The pre-ﬁlter is a consumable part.

When damaged pre-filter needs to be replaced, purchase the replacement part (Part No. EP-BX40-002).

E-20
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Purifier Body (Guide for cleaning: Once a month)
Wipe off dirt on the puriﬁer case using a soft cloth that is moistened

with water and fully wrung. For heavy dirt, use a soft cloth moistened
with neutral detergent thinned with water. After removing dirt, use a dry
soft cloth to wipe off moisture so that no detergent will remain.
To clean the remote infrared receiver, use a thin cotton swab slightly
moistened with water to wipe off dirt. After that, use a dry cotton swab
to remove the moisture.
Remove dust on the surfaces of the panel, air inlet, odor sensor and
humidity sensor using a vacuum cleaner attachment for cleaning
shelves. Then wipe off with a soft cloth.

Remote infrared
receiver

Panel
Vacuum cleaner attachment
for cleaning shelves

Humidity sensor
Remote infrared receiver
Odor sensor

Filter Replacement
Replacement Interval
The ﬁlter is a consumable part.
For the ﬁlter replacement interval, use approx. 2 years as a guide when the air puriﬁer processes the
smoke generated by 5 cigarettes smoking a day.

The dust ﬁlter should be replaced early if its color shows the resemblance to the color on the dirtiness
label attached to the puriﬁer body.
The colors on the dirtiness label are shown as a guide only. Depending on the place of installation, actual
color of contaminated filter may differ from the color shown on this label.
For a room with
not much cigarette
smoking
For a room with
much cigarette
smoking

Dirtiness label
Filter Replacement Guide
Replace the filter
early if its color
becomes similar to
either color.

The ﬁlter may need to be replaced earlier depending on the place of installation and conditions of use.

Be sure to take the ﬁlter out of a plastic bag before use.

Do not set the filter when it is still in a plastic bag. Otherwise, malfunction may result.

Filter Replacement

Precautions on Filter Handling

Cleaning

When dirt or odor becomes harder to remove, replace the ﬁlter earlier than suggested. Otherwise, the
ﬁlter may generate odor.
The ﬁlter should be replaced earlier in the following cases.
When purifier intakes oily smoke, carbon substance (soot), etc. or when the smell of new building materials
remains after a new house is built or the house is remodeled.
When used in stores, such as in coffee shops, game parlors, barber shops, beauty parlors, or in offices or hotels.
When purifier intakes large amounts of cigarette smoke.
When purifier intakes combustion gas generated by heating appliances.
When purifier intakes solvent content of paint, adhesive, etc.
When used in dusty place near a road where the traffic is heavy.

Avoid rough handling.

Do not crush, knead or roll the filter.
Once the filter is broken, the cleaning effect will be lost.

Do not wash the ﬁlter.

The filter is not washable for reuse. Purchase a new filter for replacement.

The ﬁlter contains plastics inside. When you dispose of the ﬁlter, follow relevant local regulations on
disposal.

E-21
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Filter Replacement (Continued)
Replacing the Filter
Use the ﬁlter No. EP-DX40E-902 separately available.
CAUTION

Use a genuine ﬁlter for the Hitachi Air Puriﬁer.
Other ﬁlters may cause unit failure.

Before replacing the ﬁlter, be sure to stop the puriﬁer and unplug the power cord from AC outlet.
Remove the water tank, and then pull out the water tray.

P.E-9

(This procedure should be done to prevent water leakage.)

CAUTION

When you remove the water tank, water may drip from the tank cap.
Lay a dry cloth before removing the water tank.

Remove the panel and the pre-filter.

P.E-8
Filter

Remove the used filter.

Install a new filter
Take a new filter out of plastic bag and install it on the unit.
Install the ﬁlter so that the arrow “ĻFRONT” on the ﬁlter side
face will face the panel.

FR
ON

White face of
the filter should
face the front.

Install the pre-filter.
Filter

Reinstall the panel on the unit.

P.E-8

Install the water tray, and then mount the water tank.

Note

P.E-9

No cleaning effect is obtainable if the ﬁlter is installed with plastic bag.
It may also be a cause of malfunction.

Alert Display
Cause

Symptom
All airflow indicators

are blinking.

Faulty fan rotation.

Stop the operation, unplug the power cord from AC outlet and contact your dealer for service.

P.E-26

E-22
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Troubleshooting Guide
Before asking for repair

check the following once again

Symptom

Check to see

No air blows out
or power does
not turn on

Is power plug securely inserted
into AC outlet?

Securely insert the power plug into AC
outlet.

Is breaker switched off?

Switch on breaker.

Smoke or smell
is not efficiently
removed, or
there is an odor

Is the pre-filter dirty?

Clean the pre-filter, referring to the “Prefilter” in “Cleaning”.
P.E-20

Is the filter dirty?

Replace the filter, referring to the “Filter
Replacement”. The filter may need to be
replaced sooner depending on the place of
installation and conditions of use.
P.E-21

Are polarities of batteries
correct?

Insert the batteries with correct
polarities.

P.E-8

Are batteries dead?

Replace the batteries.

P.E-8

Is the remote infrared receiver
dirty?

Clean the remote infrared receiver.

Is airflow rate switched?

Press the airflow button and select auto or
other airflow rate.
P.E-11-E-13

Is the operation in the
“Humidify” mode?

Airflow rate will not decrease when humidity
is low.

Is sensor sensitivity high?

Change the sensor sensitivity setting.

Is airflow rate switched?

Press the airflow button and select auto or
P.E-11-E-13
other airflow rate.

Is odor sensor hole blocked by
dust or other obstacle?

Clean the odor sensor.

P.E-21

Is sensor sensitivity low?

Change the sensor sensitivity setting.

P.E-15

Was the ambient air clean when
the purifier power cord was
plugged into AC outlet?

Change the airflow rate. Or open a window
and plug the power cord into AC outlet
when ambient air is clean.
P.E-14

Is the purifier installed in a place
out of reach of odor?

Relocate the air purifier.

Is odor sensor hole blocked by
dust or other obstacle?

Clean the odor sensor.

Is there anything nearby that the
odor sensor might sense?
Any appliance generating combustion gas
Alcohol, cosmetics, sprays, etc.

Purifier may sense invisible gas component
that cannot be cleaned by filter and
continue operation. Ventilate the room by
opening window, etc.
P.E-14

Is odor sensor hole blocked by
dust or other obstacle?

Clean the odor sensor.

P.E-21

Is there water in the water tank?

Fill the water tank with water.

P.E-9

Is the operation in any of the “Air Purify”,
“Pollen” or “Strong Deodorization” mode?

Change the operation mode to the “Humidify”
or “Skin Moisturize” mode.
P.E-11

Is the humidifying filter dirty?

Clean or replace the humidifying filter,
referring to the “Humidifying Filter” in
“Cleaning”.
P.E-18

No remote
operation

Airflow rate
does not
decrease even
though the air is
clean

Airflow rate
does not
increase even
though the air is
contaminated

No humidifying
effect

P.E-15

P.E-21

Troubleshooting Guide

“Air Sensor”
indicator is
kept blinking in
green.

P.E-21

Alert Display

“Air Sensor” indicator
is kept constantly lit
in green

Solution

E-23
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Troubleshooting Guide (Continued)
Symptom

Humidifying
performance is
inadequate when
operated in the
“Humidify” mode

When operated in “Air
Purify”, “Pollen” or
“Strong Deodorization”
mode, air is humidified

Check to see

Solution

Is the airflow rate set to “Auto”?

Depending on the place of installation and
conditions of use, water may not be consumed.
Set the operation mode to “Skin Moisturize”
and the airflow rate to “High” or “Max”.
P.E-11, E-12

Is the pre-filter or the filter
dirty?

Clean the pre-filter, referring to
“Pre-filter” in “Cleaning”.

Is the humidifying filter set
properly, or is it dirty?

Set the humidifying filter properly. If it is
dirty, clean or replace it.
P.E-17, E-18

P.E-20

Is there water in the water tank
and water tray?

Discharge water and then operate.

Is the humidifying filter wet with
water?

Drain the humidifying filter.

Is the water tank set properly?

Set the water tank properly.
P.E-9

Is the tank cap closed firmly,
or the tank cap packing set
securely?

Close the tank cap firmly.

Is the water tray cover closed
properly?

Close the water tray cover properly.

Is the humidifying filter set
securely?

Set the humidifying filter securely.

Is the purifier tilted, or was it
carried with water in the tank?

Place the purifier on a level, stable surface.
Avoid carrying the purifier with water in the tank.

Is there an opening in the water
tank or water tray?

Stop using the purifier immediately and
contact your dealer for repair.

Is there any leakage from the
water tank?

Stop using the purifier immediately and
contact your dealer for repair.

Indicator is dim

Is dimmer control activated?

Cancel the dimmer control setting.
P.E-16

The “Clean Humidifying
Filter” indicator does
not go off

Was the reset button pressed
after cleaning?

Press the reset button.

Water leaks

P.E-9

P.E-17

E-24
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Following Conditions Are Normal
Symptom

Cause
Electric components are energized when
power is supplied. This is normal.

Purifier body vibration during the “Max” operation

Vibration is caused by fan rotation. This
is normal.

The air from the air outlet smells.

When you use this purifier for the first
time, the parts inside the purifier body
smell, but this is normal.
Or, the filter deodorizing performance
may have deteriorated.
P.E-21
Or, odors may have adhered to the
humidifying filter. Clean the humidifying
filter.
P.E-17-E-18

No vapor or mist visible

As the unit employs evaporation system that produces
moisturized air by passing air stream through the
humidifying filter, no vapor or mist is visible. This is normal.

Bubbling noise

The noise is produced by air bubble when water in the
water tank is supplied to the water tray. This is normal.

Humidity level indication differs from hygrometer
reading

Humidity level is indicated as a guide
only. Also an environmental difference in
the room may cause different indications.

Shutter is stopped midway

There is no problem in performance even if
the shutter is not fully opened. This is normal.

Clicking noise during operation

It is a switching sound of the shutter. This
is normal.

Rocking water surface in the water tank

It is caused by vibration during operation.
This is normal.

Indicators repeatedly turn on and off one after
another, and the fan is stationary

The unit is in the demo mode. Unplug the
power cord once, wait for a few seconds,
and then insert the power plug into AC
outlet.

Pressing the eco button operates the ionization
setting / release of the other Hitachi air purifier
with ionizing function.
Or, pressing the ionizing button on the remote
controller for the other Hitachi air purifier with
ionizing function operates the setting / release
of eco operation.

The signals from the remote controllers
are the same. Both functions respond.
This is normal.

The fan is stopped.

When eco operation is selected, the fan
may stop.
P.E-16

Troubleshooting Guide

Snapping noise when plugging power cord
into AC outlet

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Replacement Parts (Separately Available)
Filter
Designate the replacement part
No. EP-DX40E-902 when ordering.

Humidifying Filter
Designate the replacement part
No. EP-DX40E-908 when ordering.

Pre-filter
Designate the replacement part
No. EP-BX40-002 when ordering.

Tank Cap
Designate the replacement part
No. EP-BV60-017 when ordering.

The case is not included.

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Specifications
Model

EP-A5000

Power supply

AC220-240V 50-60Hz

Airflow switching

Max

High

Medium

Silent

Power consumption (W)

5.0

4.3

2.9

0.9

Airflow rate (m /min)
Applicable floor space

33m

Humidifying performance (mL/h)

Approx. 520 (Max operation)

External dimensions

537(H) x 430(W) x 242(D) mm

Weight

8.5kg

Length of power cord

Approx. 1.8m

Replacement Parts
Specifications

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T_S-EP-A5000.indd 28

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