Apc Symmetra Sy160K160H Users Manual PX 160 KW 400 V Operation

SYCFXR9 to the manual 9053c93c-2c6c-49f6-a73c-fecbf3d28103

2015-02-03

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Operation
Symmetra® PX UPS,
Power Distribution Unit, and
XR Battery Enclosure
160 kW 400 V
SY160K160H
PDUM160H-B
SYCFXR9

About this Manual
This manual is for the 160 kW Symmetra® PX UPS, Power Distribution Unit (PDU-XR), and XR
Battery enclosure. It refers to important safety warnings and instructions, gives an introduction to the
display interface, and provides information on operation and troubleshooting.

Companion manuals
For additional information, refer to the following Symmetra PX manuals:
• Receiving and unpacking (990-3013)
• Safety (990-2984)
• Installation (990-3017)
• Power module replacement (990-3025)
• Battery module replacement (990-2958)

Updates to this manual
Check for updates at the APC Web site www.apc.com. Look for the latest letter version of the
manual.

990-3015-001

Symmetra PX 160 kW 400 V Operation

i

Contents

Safety ................................................................................ 1
Overview........................................................................... 3
User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Interface area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Display interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Menu tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Operation.......................................................................... 7
Operation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Battery operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Bypass operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Wrap-around maintenance bypass (optional) . . . . . . . . . . . . . . . . . . 7

Operation Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Total Power Off procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
How to turn the load on/off using the display interface . . . . . . . . . . 9
How to put the UPS in maintenance bypass operation . . . . . . . . . . 9
How to return to normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . 11
How to view the Status screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
How to view the Log screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Configuration ................................................................. 13
System Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
How to change the date and time . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
How to change the settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

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Symmetra PX 160 kW 400 V Operation

iii

Maintenance................................................................... 15
Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
How to determine if you need a replacement part . . . . . . . . . . . . . 15
How to return parts to APC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Replacement parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
How to remove a power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
How to install a power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
How to replace a power management peripheral . . . . . . . . . . . . . . 18
How to replace an intelligence module (MIM/RIM) . . . . . . . . . . . . . 18
How to replace a battery module . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
How to replace a power distribution module . . . . . . . . . . . . . . . . . 19

Troubleshooting ............................................................ 21
UPS Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Modular Distribution fault list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
PDU fault list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

iv

Symmetra PX 160 kW 400 V Operation

Safety
Warning: All safety instructions in the Safety sheet (990-2984) should be read,
understood, and followed prior to handling the system. Failure to do so could result
in equipment damage, serious injury, or death.
For safety reasons, only the following parts are replacable. If other components of the system require
maintenance, contact APC Customer Support using the phone numbers on the back cover of this
manual.
• power distribution module
• power modules
• batteries
• intelligence modules (MIM/RIM)
• peripheral cards

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Symmetra PX 160 kW 400 V Operation

1

Overview
User Interface
Interface area



LOAD POWERED LED

When green, power to the load is on. When flashing yellow, the load is
supplied through the batteries or the unit is in bypass.



CHECK LOG LED

When green, a new event has been added to the event log.



WARNING LED

When yellow, there are one or more warning alarms in the system.



CRITICAL LED

When red, there are one or more critical alarms in the system.



LCD SCREEN

Displays alarms, status data, instructional help, and configuration items.



UP AND DOWN KEYS

Scrolls through menu items.



ENTER

Opens menu items and confirms changes to system parameters.



HELP

Opens context-sensitive help.



ESC

Returns to previous screen.

N

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Symmetra PX 160 kW 400 V Operation

3

Overview: User Interface

Display interface
Overview screens. When the system is running, the display will scroll through screens showing
information about the system, and any active alarms.

Note: The data values shown are for example only.
No Active Alarms
System Date/Time:
28-Mar-2007 10:37:01

Volts Out
L1: 230
L2: 230
L3: 230

Out
L1:
L2:
L3:

Amps
162
151
144

Volts In
L1: 230
L2: 230
L3: 230

kW
37.3
34.7
33.1

%kW
70
65
62

Symmetra PX 160 kW
Runtime: 1hr 1-min
Capacity 100%
UPS Load: 70%

System Bypass State:
UPS Operation
UPS State:
On Line

Note: Press ENTER to go from any overview screen to the main menu screen.

Main menu screen. Use the main menu screen to configure and monitor the system using the UPS,
Power Dist, Switch Gear, Environment, Alarms, Log, Admin, and Help menu screens. Use the UP and
DOWN arrow keys to navigate through the menu screens.
The selector arrow is controlled
by the UP and DOWN keys.
Press ENTER to open the menu
marked by the arrow.

4

UPS
Power Dist
Switch Gear
Environment

Symmetra PX 160 kW 400 V Operation

Alarms
Log
Admin
Help

990-3015-001

Overview: User Interface

Menu tree

Main
Menu

Power Dist

UPS
UPS Power
Control

Switch Gear

Environment

Status

Input
Contacts

Total Loading

UPS Status
UPS Tests
& Diags
UPS
Configuration

Alarms
View All
Alarms
View by
Severity
View by Type

Modular
Loading

Output
Relays

Factory

Alarm Relay
Map

Volt-Meter

Env Monitoring
Card

Subfeeds

Log

Help

Admin

View New
Log Items

System/
Network

View Entire Log
Clear Entire Log

System ID
Manufacturer
Data
Firmware
Updates

Caution: Do not make changes to any screens that are not described in this manual without
the assistance of APC Customer Support. For APC World-Wide Customer Support telephone
numbers, see the back cover of this manual.

990-3015-001

Symmetra PX 160 kW 400 V Operation

5

Operation
Operation Modes
In an installation without a maintenance bypass panel, the UPS has four different operation modes. If
the installation includes a PDU-XR or an external maintenance bypass panel, wrap-around
maintenance bypass mode will also be available.

Normal operation
During normal operation, the UPS converts mains/utility power to conditioned power for the
connected loads.

Battery operation
During battery operation, the UPS provides power to the connected loads from its external batteries
for a finite period. The UPS transfers to battery operation if the supply of mains/utility power fails, or
is outside pre-defined limits.

Bypass operation
Bypass is a feature that keeps the load supplied with mains/utility power during maintenance of the
UPS power sections. In bypass, mains/utility power is sent directly to the connected load bypassing
all internal UPS functions and filters. Battery back up is not available in bypass operation.

Wrap-around maintenance bypass (optional)
The UPS can be connected to a PDU-XR or an optional external maintenance bypass panel. When
activated, this panel bypasses the UPS, feeding mains/utility power directly to the load. An activated
wrap-around maintenance bypass panel completely isolates the UPS and allows maintenance to be
performed - including a replacement of the entire UPS.

990-3015-001

Symmetra PX 160 kW 400 V Operation

7

Operation Procedures
Note: If the system does not contain a PDU-XR, the Q1, Q2, Q3, and Q5 switches are located
on an optional external maintenance bypass panel. Refer to the documentation included with the
maintenance bypass panel for additional information.

Total Power Off procedure
Warning: Before electrical installation begins, verify that the UPS is in the Total Power Off
mode by following this procedure.


UPS



XR Battery enclosures / PDU-XR

ON

TRIP



OFF

 Set the SYSTEM ENABLE switch to the the OFF position.
 Set the DC DISCONNECT switch on all XR Battery enclosures and on the back of the PDU-XR to the
OFF position.

 Disconnect all battery units by removing them or pulling them out to the red disconnect line.
Caution: To ensure the enclosure does not tip, do not pull the battery units out beyond
the red disconnect line unless you completely remove them from the enclosure.

8

Symmetra PX 160 kW 400 V Operation

990-3015-001

Operation: Operation Procedures

 Set the upstream mains power to the OFF or LOCKED OUT position. If the UPS has a dual mains
supply, set both supplies to the OFF or LOCKED OUT position.
Electrical Hazard: Follow proper Lockout/Tagout procedures to remove access to the
unit and physically label the unit as intentionally out of service.

How to turn the load on/off using the display interface
Press



UPS
Power Dist
Switch Gear
Environment



Alarms
Log
Admin
Help



UPS
UPS
UPS
UPS

Power Control
Status
Tests & Diags
Configuration

Press

Press

Turn UPS Off
Reboot UPS
UPS Into Bypass
UPS To Sleep

How to put the UPS in maintenance bypass operation

 Use the display to put the UPS into bypass.






UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Press



Press



Turn UPS Off
Reboot UPS
UPS into Bypass
UPS to Sleep
Putting UPS Into
Bypass, please
wait...



UPS
UPS
UPS
UPS

Power Control
Status
Tests & Diags
Configuration

Confirm:
UPS into Bypass?
NO, ABORT
YES, Into Bypass

Press

Press

UPS is now in
bypass, press any
key to return to
previous menu

Confirm the transfer into bypass is complete.

Note: The H3 LED next to the Q3 switch on the PDU-XR will illuminate, indicating that
it is safe to operate the Q3 switch.

 Set the Q3 switch on the PDU-XR to the ON position.
Note: The H2 LED beside the Q2 switch will illuminate, indicating that it is safe to
operate the Q2 switch.

990-3015-001

Symmetra PX 160 kW 400 V Operation

9

Operation: Operation Procedures

 Set the Q2 switch on the PDU-XR to the OFF position.
 Turn the UPS off using the display.

UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help



Press



Press



UPS
UPS
UPS
UPS

Notify PowerChute?
Cancel
Yes, Notify Servers
No, Don’t Notify

Turn UPS Off
Reboot UPS
UPS into Bypass
UPS to Sleep



Power Control
Status
Tests & Diags
Configuration

Press

Press


Turn UPS Off With
Server Notification?
>NO, ABORT
>YES, Turn UPS Off

Turning UPS off,
please wait...

 Set the Q1 switch on the PDU-XR to the OFF position.
 Set the Q5 switch on the PDU-XR to the OFF position.
 Set the UPS SYSTEM ENABLE switch to the OFF position.

 Set the DC DISCONNECT switch on all of the XR Battery enclosures and the PDU-XR to the OFF
position.

10

Symmetra PX 160 kW 400 V Operation

990-3015-001

Operation: Operation Procedures

How to return to normal operation

 Set the DC DISCONNECT switch on all of the XR Battery enclosures and the PDU-XR to the ON
position.

 Set the Q1 switch on the PDU-XR or external maintenance bypass panel to the ON position.
 Set the Q5 switch on the PDU-XR or external maintenance bypass panel to the ON position.
 Set the SYSTEM ENABLE switch on the UPS to the ON position.

Note: Wait approximately 30 seconds for system to start.
Using the display interface, select the following:





990-3015-001

Press
UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Press
Turn UPS On
UPS On Into Bypass



Press
UPS
UPS
UPS
UPS

Control
Status
Tests & Diags
Configuration

Press


UPS Load is ON.

Symmetra PX 160 kW 400 V Operation

11

Operation: Operation Procedures

 Press ESC to go back to the UPS Control screen and select UPS into Bypass.
Note: The H2 LED next to the Q2 switch will illuminate, indicating that it is safe to
operate the Q2 switch.

 Set the Q2 switch on the PDU-XR or external maintenance bypass panel to the ON position.
Note: The H3 LED next to the Q3 switch will illuminate, indicating that it is safe to
operate the Q3 switch.

 Set the Q3 switch on the PDU-XR or external maintenance bypass panel on the PDU-XR to the
OFF position. As soon as the Q3 switch is in the OFF position, the UPS will automatically return
from maintenance bypass operation to normal operation.
The UPS is now in normal operation. Verify that the Load Powered LED is lit and the system is not
displaying any alarms.

How to view the Status screens
Use the main menu screen to access information for each component of the system. A status screen is
available for each component, this example uses the UPS.





Press
UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Symmetra PX 160 kW
On Line



Press

UPS
UPS
UPS
UPS

Control
Status
Tests & Diags
Configuration

Press

Use the UP and DOWN arrow keys to navigate
through the Status screens.

No UPS Alarms

How to view the Log screen





Press
UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Log Item > 1 of 2




Press
View New Log Items
View Entire Log
Clear Entire Log

Use the UP and DOWN arrow keys to navigate
through the Log screens.

03/14/07 10:37:02

12

Symmetra PX 160 kW 400 V Operation

990-3015-001

Configuration
System Settings
How to change the date and time
Use the UP and DOWN arrow keys to navigate through the menu screens. To change a setting, press
ENTER and use the UP and DOWN arrow keys to change the selection. Press ENTER to save the changes.





Press
UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Press

System Password
Date/Time
Local Interface
Network Address





Press
System/Network
System ID
Manufacturer Data
Firmware Update

Press
Date:>01Mar>2007
Time:>02>24>00

How to change the settings
Use the arrow keys to navigate through the menu screens. To change a setting, press ENTER and use
the UP and DOWN arrow keys to change the selection. Press ENTER to save the changes.





990-3015-001

Press
UPS
Power Dist
Switch Gear
Environment

Alarms
Log
Admin
Help

Press
System Password
Date/Time
Local Interface
Network Address





Press
System/Network
System ID
Manufacturer Data
Firmware Update

Press
Contrast>4
Key Click>On
Beeper Volume>High
Alarm Beeper>On

Symmetra PX 160 kW 400 V Operation

13

Maintenance
Parts Replacement
How to determine if you need a replacement part
To determine if you need a replacement part, contact APC Customer Support and follow the
procedure below so that the APC Customer Support representative can assist you promptly:
1. In the event of a module failure, the display interface may show additional “fault list” screens.
Press any key to scroll through these fault lists, record the information, and provide it to the
representative.
2. Write down the serial number of the unit so that you will have it easily accessible when you
contact APC Customer Support.
3. If possible, call APC Customer Support from a telephone that is within reach of the UPS display
interface so that you can gather and report additional information to the representative.
4. Be prepared to provide a detailed description of the problem. A representative will help you
solve the problem over the telephone, if possible, or will assign a return material authorization
(RMA) number to you. If a module is returned to APC, this RMA number must be clearly
printed on the outside of the package.
5. If the unit is within the warranty period, repairs or replacements will be performed free of
charge. If it is not within the warranty period, there will be a charge.
6. If the unit is covered by an APC service contract, have the contract available to provide
information to the representative.

How to return parts to APC
Call APC Customer Support to obtain an RMA number.
To return a failed module to APC, pack the module in the original shipping materials, and return it by
insured, prepaid carrier. The APC Customer Support representative will provide the destination
address. If you no longer have the original shipping materials, ask the representative about obtaining
a new set. Pack the module properly to avoid damage in transit. Never use styrofoam beads or other
loose packaging materials when shipping a module. The module may settle in transit and become
damaged. Enclose a letter in the package with your name, RMA number, address, a copy of the sales
receipt, description of the problem, a phone number, and a check as payment (if necessary).
Note: Damages sustained in transit are not covered under warranty.

990-3015-001

Symmetra PX 160 kW 400 V Operation

15

Maintenance: Parts Replacement

Replacement parts
Part

APC Part No.

16 kW power module

SYPM10K16H

Battery module

SYBT9-B4

Intelligence Module (MIM)

OG-SYMIM16

APC SS Call-UPS II Accessory card

AP9608

Smartslot relay I/O Module

AP9610

UPS Network Management card

AP9617

UPS Network Management card with Environmental
Monitoring and Out of Band Management card

AP9618

UPS Network Management card with Environmental
Monitoring

AP9619

Modbus/Jbus Interface card

AP9622

Power Distribution Module

Go to www.apc.com for a
complete list of breaker modules.

Warning: Only trained persons familiar with the construction and operation of the
equipment, as well as the electrical and mechanical hazards involved, may install and
remove system components.
Before removing any power modules, make sure that the remaining power modules can
support the load.

16

Symmetra PX 160 kW 400 V Operation

990-3015-001

Maintenance: Parts Replacement

How to remove a power module
Use two people to lift components weighing between 18–32 kg/40–70 lb.


1

1






 Turn the locking latch down until the arrow points down.
 Unscrew the spring-activated knobs on both sides of the module.
 Pull the module out of the enclosure as far as the lock mechanism will allow.
 Release the lock by pushing the black plastic tab on each side of the module.
 Pull the module up and out of the enclosure.
How to install a power module
Reverse the procedure for installation of the replacement module. The display interface will indicate that
the system has recognized a new module.
Caution: Secure the locking latch before tightening the spring-activated knobs on the module
to ensure that the module makes proper contact in the unit. The power module will not operate
unless the locking latch is locked.

990-3015-001

Symmetra PX 160 kW 400 V Operation

17

Maintenance: Parts Replacement

How to replace a power management peripheral
Only the cards installed in these two
space can be replaced.

Loosen the two Phillips screws on both sides of the card and carefully pull it out of the enclosure.
Note: Reverse the procedure to install a replacement card. The display interface will show a
message when it has registered a new card.

How to replace an intelligence module (MIM/RIM)

Loosen the two Phillips screws on both sides of the module. When the screw on left side is loose, the
module will be de-activated. The display interface will show a message that the number of modules has
decreased. Reverse this procedure to install replacement modules.
Note: If two intelligence modules are functioning, one can be replaced without interrupting the
UPS.

18

Symmetra PX 160 kW 400 V Operation

990-3015-001

Maintenance: Parts Replacement

How to replace a battery module
.

Use two people to lift components weighing between 18–32 kg/40–70 lb.

 Holding the handle, gently lift the battery unit and pull it halfway out. A lock mechanism prevents it
from being pulled all the way out.

 Release the lock by pushing the battery unit upwards and pull the battery unit all the way out while
supporting it

 Take the replacement battery unit and push it into the system.
Note: Allow for a 24-hour recharging period of the batteries after system start-up/battery
replacement for battery monitoring data to become fully reliable.

How to replace a power distribution module

 Disconnect the power cable from the power distribution module from the extension cable.
 Open the locking latch on the module and gently pull it out of the enclosure.
 Reverse the procedure to install the new module.

990-3015-001

Symmetra PX 160 kW 400 V Operation

19

Troubleshooting
UPS Alarms
This section lists all of the alarm and status messages that might be displayed on the display interface.
A suggested corrective action is listed with each message to help to troubleshoot the problem.
Note: If a problem is reported, ensure that the system component in question is correctly
installed.
1

Display Message

Meaning

Corrective Action

Battery Charger Fault

The battery charger is not
functioning properly.

Contact APC Customer Support.

Battery Fault

A battery module has failed and
requires replacement.

See “How to replace a battery module” on
page 19.

Battery High Temperature
Violation

The temperature of one or more
battery units has exceeded system
specifications.

Ensure that the ambient temperature meets
the specifications of the system. If the
ambient temperature is below 40°C
(104°F). Initiate a self-test to detect any
bad battery units. Replace any bad battery
units.

Battery High Voltage Violation

The battery voltage is too high and
the charger has been deactivated.

Contact APC Customer Support.

Battery Monitor Card Fault

The battery monitor card has failed.

See “How to replace a power management
peripheral” on page 18.

Battery Monitor Card Removed The battery monitor card has been
removed.

If the battery monitor card has not been
removed, check that is has been properly
inserted.

Bypass Relay Stuck in Bypass
Mode

The system is stuck in bypass mode
and cannot return to normal
operation.

Check the static bypass switch. Contact
APC Customer Support.

Bypass Relay Stuck in Online
Mode

The system is stuck in online mode
and cannot go into bypass.

Check the static bypass switch. Contact
APC Customer Support.

Communication Lost While On Internal communications in the
Battery
system have failed.

Contact APC Customer Support.

Discharged Battery

The UPS is online and the battery
charge is low.

No corrective action necessary. Note: If the
input voltage fails, runtime will be limited.

Extended Run Frame Fault

One of the battery frames has failed. Contact APC Customer Support.

990-3015-001

Symmetra PX 160 kW 400 V Operation

21

Troubleshooting: UPS Alarms

Display Message

Meaning

Corrective Action

External DC Disconnect Switch The external DC DISCONNECT switch
Open
tripped. Battery power is not
available or the runtime is lower than
expected.

Close the external DC DISCONNECT switch.
Check the fuse on the XR battery
enclosure. If the fuse has blown, contact
APC Customer Support.

External Switch Gear
Communication Card Fault

See “How to replace a power management
peripheral” on page 18.

The external switch gear
communication card has failed.

External Switch Gear
The system no longer detects an
Option 1: Ensure the external switch gear
Communication Card Removed external switch gear communication communication card is installed properly.
card.
Option 2: Replace the external switch gear
communication card.
Graceful Shutdown Initiated

A graceful shutdown or reboot has
been initiated from the display
interface or other accessory.

No corrective action necessary.

High Isolation Transformer
Temperature

The isolation transformer
temperature is too high.

Contact APC Customer Support.

Internal Communications Failed One of the buses used for the
communication between the UPS
modules has failed.

Contact APC Customer Support.

In Bypass: Hardware Fault

The system has transferred into
Contact APC Customer Support.
bypass because a fault has occurred.

In Bypass: Overload

The system has transferred into
bypass because the load has
exceeded the power capacity of the
system.

In Bypass: User-Initiated

The system has been transferred into Check for any problems with the system.
bypass due to user action.
Transfer the system to normal operation.

Input Voltage or Frequency
Cannot Support Bypass

Correct the input voltage to provide
The frequency or voltage is out of
acceptable voltage or frequency.
acceptable range for bypass. This
message occurs when the UPS is
online, and indicates that the bypass
mode may not be available if
required.

Intelligence Module Fault

The main intelligence module has
failed and requires replacement.

Replace the main intelligence module. See
“How to replace an intelligence module
(MIM/RIM)” on page 18.

Load (kVA) Alarm Violation

The load has exceeded the userspecified load alarm threshold.

Option 1: Use the display interface to raise
the alarm threshold.
Option 2: Reduce the load.

Local Management-To-UPS
Communication Lost

Internal communications in the
system have failed.

Contact APC Customer Support.

22

Option 1: Decrease the load.
Option 2: Add a power module to the
system.

Symmetra PX 160 kW 400 V Operation

990-3015-001

Troubleshooting: UPS Alarms

Display Message

Meaning

Low Battery

The UPS is in battery operation and No corrective action necessary.
the battery charge is low.
Note: Runtime is limited. Shut down the
system and the load equipment or restore
incoming voltage.

No Batteries Detected

No battery power is available.

Option 1: Ensure the batteries are installed
properly.
Option 2: Check if the DC Breaker has
been tripped.

No Power Modules Detected

No power modules are available.

Option 1: Ensure that the power modules
are properly installed, the two fastening
screws are tight, and the locking latch is
engaged.
Option 2: Check for other communication
alarm messages.

Not Synchronized Fault

System cannot synchronize to AC
line and bypass mode may not be
available.

Option 1: Decrease the sensitivity to input
frequency.
Option 2: Correct the input voltage to
provide acceptable voltage frequency.

Output Voltage Not In Range

The output voltage is not within the
specified range.

Evaluate the threshold setting. If necessary,
adjust it for your situation. Contact APC
Customer Support.

Overload

The load has exceeded the system
power capacity.

Option 1: Decrease the load.
Option 2: Add a power module to the
system.

Power Failure

The input voltage is not acceptable
for normal operation.

Contact APC Customer Support.

Power Module Fault

A power module has failed and
requires replacement.

See “How to remove a power module” on
page 17.

Redundancy Alarm

Actual power module redundancy
has fallen below user-specified
redundancy alarm threshold. At least
one power module has failed or the
load has increased.

Option 1: If possible, install additional
power modules. See “How to install a
power module” on page 17.
Option 2: Replace failed modules. See
“How to replace a power distribution module” on page 19.
Option 3: Reduce the load.
Option 4: Change alarm limit.

Redundancy Lost

The UPS no longer detects
redundant power modules. One or
more power modules have failed, or
the load has increased.

Option 1: Install additional power
modules.
Option 2: Replace failed modules. See
“How to remove a power module” on
page 17.

990-3015-001

Corrective Action

Symmetra PX 160 kW 400 V Operation

23

Troubleshooting: UPS Alarms

Display Message

Meaning

Corrective Action

Redundant Intelligence Module The redundant intelligence module Replace the redundant intelligence module.
Fault
has failed and requires replacement. See “How to replace an intelligence module (MIM/RIM)” on page 18.

Replace the main intelligence module. See
Redundant Intelligence Module The main intelligence module has
“How to replace an intelligence module
in Control
failed, the redundant intelligence
module is functioning as the primary (MIM/RIM)” on page 18.
intelligence module.
Replacement Battery Needed

One or more battery units needs to
be replaced.

See “How to replace a battery module” on
page 19.

Runtime Alarm

The predicted runtime is lower than
the user-specified minimum runtime
alarm threshold. At least one battery
module has failed or the load has
increased.

Option 1: Install additional battery
modules.
Option 2: Replace failed battery modules.
Option 3: Reduce the load.
Option 4: Change the alarm limit.

Site Wiring Fault

There is a problem with the phase
rotation or a phase is missing in the
input voltage to the UPS.

Contact APC Customer Support.

Static Bypass Switch Module
Fault

The static bypass switch module has Contact APC Customer Support.
failed and requires replacement.

Static Bypass Switch Module
Removed

The system no longer detects a static Option 1: Ensure the static bypass switch
bypass switch module.
module is installed properly.
Option 2: Replace the static bypass switch
module.

System ID Card Fault

The system ID card has failed and
requires replacement.

See “How to replace a power management
peripheral” on page 18.

System ID Card Removed

The system no longer detects a
system ID card.

Option 1: Ensure the system ID card is
installed properly.
Option 2: Replace the system ID card.

System Level Fan Fault

The system level fan has failed and
requires replacement.

Contact APC Customer Support.

System Power Supply Card
Fault

The system power supply card has
failed and requires replacement.

See “How to replace an intelligence
module (MIM/RIM)” on page 18.

System Start-Up Configuration The system configuration download Check for other alarms and contact APC
Fault
failed. Unable to determine the
Customer Support.
system voltage or frame size.
XR Communication Card Fault The XR communication card has
failed and requires replacement.

See “How to replace a power management
peripheral” on page 18.

XR Communication Card
Removed

Option 1: Ensure card is installed
properly.
Option 2: Replace the card.

24

The system no longer detects a XR
communication card.

Symmetra PX 160 kW 400 V Operation

990-3015-001

Modular Distribution fault list
The display interface will identify the number of the power distribution module that has caused an
alarm or warning.
Display Message

Meaning

Corrective Action

High Module Current

The high module current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

High Subfeed Current

The high subfeed current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Low Module Current

The low module current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Low Subfeed Current

The low subfeed current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Maximum Module Current

The maximum module current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Maximum Subfeed Current

The maximum subfeed current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Minimum Module Current

The minimum module current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Minimum Subfeed Current

The minimum subfeed current
threshold has been exceeded.

Evaluate the threshold setting. If necessary, adjust
it for your situation.

Modular Distribution
Communication

Communication has been lost
with the modular distribution
breakers.

Check the communication cables to ensure they
are properly connected. Contact APC Customer
Support.

Module Breaker Open

A modular circuit breaker is
open.

Check the modular circuit breakers to see if one
has overloaded. Replace if necessary.

Subfeed Breaker Open

A subfeed circuit breaker is
open.

Check the subfeed circuit breakers to see if one
has been over-loaded.

990-3015-001

Symmetra PX 160 kW 400 V Operation

25

PDU fault list
Display Message

Meaning

Maintenance Bypass Alarm The system is in maintenance
bypass: the Q2 switch is open
and the Q3 switch is closed.

26

Corrective Action
No corrective action necessary.

Output V 
Voltage Under Limit

Phase-to-neutral output voltage Evaluate the threshold setting. If necessary,
for phase  has dropped adjust it for your situation.
below the configured limit.

Output V 
Voltage Over Limit

Phase-to-neutral output voltage Evaluate the threshold setting. If necessary,
for phase  exceeded the adjust it for your situation.
configured limit.

Output I L
Current Over Limit

Current of output phase 
exceeded the configured limit.

Evaluate the threshold setting. If necessary,
adjust it for your situation.

Output I L
Current Under Limit

Current of output phase
dropped below the configured
limit.

Evaluate the threshold setting. If necessary,
adjust it for your situation.

Output FDev
Freq Out of Range

Frequency of the output current Evaluate the threshold setting. If necessary,
is above or below the range that adjust it for your situation.
is configured as acceptable.


Alarm Active

A user-configured contact
connected to the system is
reporting an alarm condition.

No UPS Input
Breaker Q1 Open

The Q1 circuit breaker is open, Close the Q1 switch to re-connect the UPS to
utility/mains power.
and the UPS is disconnected
from the input voltage.

No Panel Feed
Breakers Q2 & Q3 Open

The Q2 & Q3 circuit breakers
are open, and the system is not
supporting connected
equipment.

For safety reasons, ensure the switches were
not closed for maintenance purposes. If not,
close Q2 for UPS operation, and Q3 for
maintenance bypass.

Atypical Bypass Mode
Alarm

The system state as set by the
Q1, Q2, & Q3 breakers is in a
non-typical bypass mode.

Option 1: Resume normal UPS operation.
Option 2: Go to maintenance bypass.

Determined why the alarm has occurred. This
is a user-specific alarm setting.

Symmetra PX 160 kW 400 V Operation

990-3015-001

APC Worldwide Customer Support
Customer support for this or any other APC product is available at no charge in any of the following ways:
• Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer
support requests.
– www.apc.com (Corporate Headquarters)
Connect to localized APC Web sites for specific countries, each of which provides customer support
information.
– www.apc.com/support/
Global support searching APC Knowledge Base and using e-support.
• Contact an APC Customer Support center by telephone or e-mail.
– Regional centers
Direct InfraStruXure
Customer Support Line

(1)(877)537-0607
(toll free)

APC headquarters U.S., (1)(800)800-4272
(toll free)
Canada
Latin America

(1)(401)789-5735
(USA)

Europe, Middle East,
Africa

(353)(91)702000
(Ireland)

Western Europe
+800 0272 0272
(including Scandinavia)
Japan

(0) 35434-2021

Australia, New Zealand, (61) (2) 9955 9366
(Australia)
South Pacific area

– Local, country-specific centers: go to www.apc.com/support/contact for contact information.
Contact the APC representative or other distributor from whom you purchased your APC product for
information on how to obtain local customer support.

Entire contents copyright 2007 American Power Conversion Corporation. All rights reserved.
Reproduction in whole or in part without permission is prohibited. APC, the APC logo, and Symmetra are
trademarks of American Power Conversion Corporation. All other trademarks, product names, and
corporate names are the property of their respective owners and are used for informational purposes only.

990-3015-001

*990-3015-001*

04/2007



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