Powermax65/85/105 SYNC Troubleshooting Guide 810430 5
Contents
1 Before You Begin....................................................................................................................... 11
2 Prepare to Troubleshoot Internal Components.................................................................... 13
Troubleshooting procedures and sequence ................................................................................................. 15
Get the necessary test equipment.................................................................................................................. 16
Troubleshooting checklist.................................................................................................................................. 17
Do an internal inspection................................................................................................................................... 21
Frequently used troubleshooting procedures............................................................................................... 22
Do a cold restart or quick restart......................................................................................................... 22
Do a cold restart.......................................................................................................................... 22
Do a quick restart........................................................................................................................ 22
Examine the gas pressure..................................................................................................................... 23
Examine the gas quality ......................................................................................................................... 24
Do a check for continuity....................................................................................................................... 25
Do a gas test........................................................................................................................................................ 26
Start and stop a gas test in automatic gas pressure mode .......................................................... 26
Do a gas test in manual gas pressure mode .................................................................................... 27
Do an initial resistance check........................................................................................................................... 28
Examine the power switch .................................................................................................................... 28
Hypertherm IGBT tester.................................................................................................................................... 32
Indicator LEDs and device tests.......................................................................................................... 33
IGBT test preparation ............................................................................................................................ 33
IGBT device test for the Hypertherm tester ..................................................................................... 35
Troubleshooting steps for the Hypertherm IGBT tester................................................................. 35
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