18
Troubleshooting for phase errors in choppers................................................................................... 373
Diagnostic codes 752, 753, 754.............................................................................................. 373
Symptoms....................................................................................................................................... 373
Corrective action........................................................................................................................... 374
Troubleshooting for a main contactor fault..........................................................................................374
Diagnostic code 764....................................................................................................................374
Symptoms....................................................................................................................................... 374
Corrective action........................................................................................................................... 374
Troubleshooting for an inrush contactor fault.....................................................................................375
Diagnostic code 765.................................................................................................................... 375
Symptoms....................................................................................................................................... 375
Corrective action........................................................................................................................... 375
Troubleshooting for a pump-enable fault or remote-relay fault...................................................... 375
Diagnostic codes 766, 767.........................................................................................................375
Symptoms....................................................................................................................................... 375
Corrective action........................................................................................................................... 376
Troubleshooting for gas inlet pressure faults......................................................................................376
Diagnostic codes 768 – 771......................................................................................................376
Symptoms....................................................................................................................................... 376
Corrective action........................................................................................................................... 377
Troubleshooting for a pilot relay fault....................................................................................................377
Diagnostic code 777.................................................................................................................... 377
Symptoms....................................................................................................................................... 377
Safety consideration for the XPR460...................................................................................... 378
Corrective action........................................................................................................................... 378
Troubleshooting for high or low chopper voltage..............................................................................379
Diagnostic codes 779, 780, 781...............................................................................................379
Symptoms....................................................................................................................................... 379
Corrective action........................................................................................................................... 379
Troubleshooting for high voltage on the 24 V power supply.......................................................... 379
Diagnostic code 784....................................................................................................................379
Symptoms....................................................................................................................................... 380
Corrective action........................................................................................................................... 380
PCB information................................................................................................................................................... 381
Plasma power supply power distribution PCB (141577) diagram...............................................381
Plasma power supply control PCB (141545) diagram................................................................... 382
DIP switch positions.....................................................................................................................383
Plasma power supply chopper PCB (141319) diagram.................................................................385
Contents
811530 Instruction Manual XPR460
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