Lincoln Electric Invertec Power Wave 450 Svm112 B Users Manual Svm112b

2015-02-09

• Table of Contents
• Safety
• Section A - Installation
• Section B - Operation
• Section C - Accessories
• Section D - Maintenance
• Section E - Theory of Operation
• Section F - Troubleshooting & Repair
• Symptoms
  • Major physical or electrical damage is evident when the sheet metal cover(s) are removed.
  • Machine is dead – no output – no fans – no displays.
  • Machine has no output – fans are running – display is on – a “clicking” sound is heard coming from the machine.
  • Fans run slow or intermittently – display is very dim – no weld output.
  • Machine has no output – no display – fans run – circuit breaker (5 amp) repeatedly trips.
  • Machine has no output – no fans – no display. Main input fuses are open indicating excessive input current draw.
  • Machine has no output – no display – fans run.
  • Machine has no output – fans run - Display flashes On and Off repeatedly.
  • Circuit breaker (5 amp) trips when gun trigger is pulled – fans run.
  • The machine intermittently loses output. The wire feeder still feeds wire.
  • Machine has no welding output – fans run – display is on.
  • Machine regularly overheats-yellow light (LED) on the front panel glows, indicating a thermal overload. The display is on.
  • Machine does not appear to overheat, but yellow light turns on and off intermittently. Output is disabled whenever yellow ...
  • The voltage and or wire feed speed will not adjust to user satisfaction.
  • The voltage and or wire feed speed can be adjusted on the wire feeder, but the changes are not shown on....
  • The Dual Procedure overlay is installed, and the user cannot change from procedure “A” to procedure “B” or vice versa.
  • The display cannot be seen clearly or cannot be seen at all.
  • Machine does not respond to keys being pressed, or the machine has improper displays.
  • Machine display reads “Error Invalid Overlay,” or it displays an invalid ID number on power-up.
  • Machine displays “ERROR: S.L. NOT INITIALIZED” on power-up.
  • The Beeper (Piezoelectric Buzzer) cannot be heard – machine operating normally.
  • The welding parameters that were saved in memory are different when recalled.
  • The water cooler does not turn on.
  • The machine beeps without the keys being pressed.
  • Foreign characters are shown on the Power Wave display.
  • The control knob on the Remote Control Kit (K941-1) does not change the preset current on the Power Wave display.
  • Machine loses output while welding. Fans and display are functioning properly.
  • For no apparent reason the weld characteristics have changed.
  • The arc is “too hot,” and cannot be adjusted.
  • Machine often “noodle welds” with a particular procedure.
  • Erratic output or greater than 6 amps reading on display with no output.
• Section G - Electrical Diagrams