□
Discoloration
□
Damage
4. If you find a PCB that is loose, reconnect it if possible.
5. If you find a PCB that has damage or discoloration, replace it.
Refer to Plasma power supply parts on page 393 for part numbers and reorder information.
6. If each PCB is in good condition, measure the line voltage between the terminals inside of the plasma
power supply.
7. If you cannot find or correct the problem, speak to your cutting machine supplier or regional
Hypertherm Technical Service team.
It is necessary for the cutting system to have electric power to measure line voltage. Use extreme caution if
you do diagnosis or maintenance tasks when the plasma power supply stays plugged in and the panels on
the plasma power supply are removed.
Figure 66 - Main power cord wire color and terminal location
Diagnostics and Troubleshooting
8
275811530Instruction ManualXPR460
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