Troubleshooting And Repair Section Table Of Contents - Lincoln Electric INVERTEC V350-PRO Service Manual

Section F-1
TROUBLESHOOTING & REPAIR SECTION
Troubleshooting & Repair Section .................................................................................Section F
How To Use Troubleshooting Guide ....................................................................................F-2
Pc Board Troubleshooting Procedures and Replacement .................................................F-3
Troubleshooting Guide ........................................................................................................F-4
Test Procedures
Input Filter Capacitor Discharge Procedure .................................................................F-15
Main Switch Board Test ................................................................................................F-17
Input Rectifier Test ........................................................................................................F-21
Power Board Test..........................................................................................................F-25
Output Diode Modules Test ..........................................................................................F-29
Auxiliary Transformer Test .............................................................................................F-33
Current Transducer Test ................................................................................................F-37
Fan Control And Motor Test ..........................................................................................F-41
Spi Cable Resistance And Voltage Test........................................................................F-45
Voltage And Current Calibration Procedure ..................................................................F-47
Replacement Procedures
Control Board Removal And Replacement ...................................................................F-51
Display Board Removal And Replacement ...................................................................F-55
Main Switch Board Removal And Replacement ...........................................................F-59
Advanced Process Panel Removal And Replacement .................................................F-63
Remote Board Removal And Replacement ..................................................................F-69
Snubber Board Removal And Replacement .................................................................F-73
Power Board Removal And Replacement.....................................................................F-75
Input Rectifier Removal And Replacement ...................................................................F-79
Output Rectifier Modules Removal And Replacement .................................................F-83
Current Transducer Removal And Replacement ...........................................................F-87
Retest After Repair ........................................................................................................F-92
TABLE OF CONTENTS
V350-PRO
Section F-1