Hypertherm Powermax105 Service Manual - Manual (Page 140)

TroubleshooTing and sysTem TesTs
8-2
powermax
105 Service Manual
200-600 V CSA power supply overview (power board removed) .......................................................................................... 8-20
230-400 V CE, 380 V CCC/230-400 V CE power supply overview (power board removed) ....................................... 8-21
380 V CCC, 400 V CE power supply overview (power board removed) .............................................................................. 8-22
Fault codes ............................................................................................................................................................................................ 8-23
Displaying the service screen ................................................................................................................................................. 8-23
Important fault icons ................................................................................................................................................................. 8-24
Performing a cold restart ......................................................................................................................................................... 8-24
Fault codes and solutions ........................................................................................................................................................ 8-25
Troubleshooting guide ........................................................................................................................................................................ 8-36
System tests.......................................................................................................................................................................................... 8-42
Test 1 – Voltage input .............................................................................................................................................................. 8-43
Test 2 – DC Power Buss ........................................................................................................................................................ 8-44
Test 3 – Output diodes............................................................................................................................................................ 8-46
Test 4 – Inverter and PFC temperature sensor .................................................................................................................. 8-47
Test 5 – Flyback circuit (DC minor voltages) ..................................................................................................................... 8-50
Test 6 – Torch stuck open (TSO)/torch stuck closed (TSC) ......................................................................................... 8-52
Test 7 – Start signal ................................................................................................................................................................. 8-54
Test 8 – Torch cap switch ...................................................................................................................................................... 8-55
Test 9 – Electronic regulator .................................................................................................................................................. 8-56
Test 10 – Pressure sensor ...................................................................................................................................................... 8-57
Test 11 – Fan ............................................................................................................................................................................. 8-58
Test 12 – AUX switch .............................................................................................................................................................. 8-59