Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B User Manual
Invertec power wave 450, Service manual, Svm112-b
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Table of contents
Document Outline
- 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