Table 34 - Diagnostic code descriptions (continued)
Code Priority Description
XPR
models
Corrective action
519 Failure Main->Cooler CAN t/o XPR460 This code occurs when the main control does not
receive CAN communications from the cooler at least
once per second. 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: Remote on-off
520 Alert Ignite t/o (no pilot arc) All models Troubleshooting for an ignition timeout on page 320
521 Alert Pilot arc t/o (no arc trans-
fer)
All models Troubleshooting for a pilot arc timeout on page 321
522 Alert Preflow t/o All models
523 Error Preflow purge t/o All models
524 Error Cutflow purge t/o All models
525 Error Inert gas purge t/o All models
Troubleshooting for gas flow process timeouts on
page 322
530 Alert Low psi–Line A All models
531 Alert Low psi–Line B All models
Troubleshooting for low inlet gas pressure on page
322
532 Alert Low psi–H
2
O All models Troubleshooting for low shield water pressure on page
323
533 Alert Low psi–F5 All models Troubleshooting for low inlet gas pressure on page
322
534 Alert Low psi–Shield All models Troubleshooting for low shield gas pressure on page
324
540 Error Low flow 1–Coolant All models
541 Error Low flow 2–Coolant All models
542 Failure Low flow–Coolant All models
Troubleshooting for low coolant flow on page 326
543 Error High flow 1–Coolant All models
544 Failure High flow–Coolant All models
Troubleshooting for high coolant flow on page 328
550 Alert No plasma arc All models
552 Alert DC below limit–Ch1 All models
553 Alert DC below limit–Ch2 XPR300,
XPR460
554 Alert DC below limit–Ch3 XPR460
Troubleshooting for low current on page 329
Diagnostics and Troubleshooting
8
280
811530 Instruction Manual XPR460
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