Hypertherm Powermax45 SYNC Service Manual page 6

Electromagnetic Compatibility (EMC).........................................15
Warranty............................................................................................... 17
1 Prepare to troubleshoot internal components......................... 19
Where to find information for Powermax45 SYNC......................................................................................... 19
Troubleshooting preparation.................................................................................................................................19
Troubleshooting procedures and sequence..................................................................................................... 21
Required test equipment.......................................................................................................................................22
Do an external inspection......................................................................................................................................22
Do an internal inspection.......................................................................................................................................23
Attach to ground..................................................................................................................................................... 23
Frequently used troubleshooting procedures.................................................................................................. 24
Restart the plasma power supply............................................................................................................ 24
Do a cold restart...............................................................................................................................24
Do a quick restart.............................................................................................................................24
Troubleshooting for gas pressure problems..........................................................................................24
Install a pressure gauge................................................................................................................. 24
Monitor the inlet gas supply...........................................................................................................25
Use a gas hose that is the correct size.......................................................................................25
Adjust the pressure manually........................................................................................................ 25
Do a gas test to find if the output gas pressure is too low.................................................... 25
Keep a clean gas line..................................................................................................................................25
Do a gas test................................................................................................................................................ 27
Stop a gas test................................................................................................................................. 28
Do a continuity test on the FastConnect torch receptacle................................................................28
Do an initial resistance check................................................................................................................... 29
Powermax45 SYNC® Service Manual 811480
Contents
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