Table 34 - Diagnostic code descriptions (continued)
Code Priority Description
XPR
models
Corrective action
771 Alert Gas Inlet – Air Line A All models Troubleshooting for gas inlet pressure faults on page
376
772 Alert High inlet line A All models Decrease the air or O
2
inlet pressure.
• XPR action: Ramp down
• Code cancels with: Set process; remote on-off
773 Info System reverted to VWI XPR460 This code occurs when the system changes from an
OptiMix system to a VWI system as a result of an error
condition. If you continue to get this code, speak to
your cutting machine supplier or regional Hypertherm
Technical Service team.
• XPR action: None
• Code cancels with: Start or set process; remote on-
off
774 Alert P5 >= P2 All models Increase the air inlet pressure.
• XPR action: Ramp down
• Code cancels with: Set process; remote on-off
775 Alert Node update All models Refer to the XPR Firmware Updates Field Service
Bulletin (809820).
• XPR action: None
• Code cancels with: Start or set process; remote on-
off
776 Alert Wifi reset All models The wireless module was reset. Decrease the number
of wireless connections to the plasma cutting system.
• XPR action: None
• Code cancels with: Start or set process; remote on-
off
777 Alert Pilot relay fault All models Troubleshooting for a pilot relay fault on page 377
778 Alert Hv relay fault XPR170,
XPR300
This system does not use this code.
779 Error Ch1 15V bus All models
780 Error Ch2 15V bus XPR300,
XPR460
781 Error Ch3 15V bus XPR460
Troubleshooting for high or low chopper voltage on
page 379
782 Alert Low psi–P2 All models Increase the air inlet pressure.
• XPR action: None
• Code cancels with: Set process; remote on-off
Diagnostics and Troubleshooting
8
291811530Instruction ManualXPR460
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