Hypertherm XPR300 User Manual

Diagnostics and Troubleshooting
8
330 809480 Instruction Manual XPR300
Current sensor diagnostic codes (631)
1. Remove the power from the cutting system. Refer to Remove the power from the cutting system
on page 240.
2. Examine J1.8 on PCB 1 (control PCB) and the work lead sensor located on the I/O panel on
PCB5 (I/O PCB).
3. Look for:
 Damage
 Loose connections
4. If the connections are good and the code continues, replace PCB5 (I/O PCB).
5. If you cannot find or resolve the problem with these corrective actions, contact your cutting
machine supplier or regional Hypertherm Technical Service team.
WARNING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before doing troubleshooting or diagnostic work.
All work requiring removal of the plasma power supply outer cover or panels
must be done by a qualified technician.
See the Safety and Compliance Manual (80669C) for more safety
information.

Hypertherm XPR300 Specifications

General

Brand	Hypertherm
Model	XPR300
Category	Welding System
Language	English