Table 34 - Diagnostic code descriptions (continued)
Code Priority Description
XPR
models
Corrective action
647 Info Process selected All models No operator action is necessary.
• XPR action: None
• Code cancels with: Start or set process; remote on-
off
651 Alert HF timeout XPR460 This code occurs when the high frequency output
is on for more than 350 ms. 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: Set process; remote on-off
652 Error Block def over limit XPR460 This code occurs during the ramp-up or ramp-down
state if the process block time definition is more than
one second. If you continue to get this code, speak to
your cutting machine supplier or regional Hypertherm
Technical Service team.
• XPR action: Shut down
• Code cancels with: Remote on-off
653 Error Block time over limit XPR460 This code occurs during the ramp-up or ramp-down
state if the process block timer is more than one sec-
ond. If you continue to get this code, speak to your
cutting machine supplier or regional Hypertherm Tech-
nical Service team.
• XPR action: Shut down
• Code cancels with: Remote on-off
654 Alert Ch1 ArcOn Timeout All models Troubleshooting for arc timeouts during the Ignite state
on page 346
655 Alert Current (DC) preflow All models Troubleshooting for current in chopper during preflow
on page 346
656 Error Default case XPR460 This code occurs when a default case is run uninten-
tionally. If you continue to get this code, speak to your
cutting machine supplier or regional Hypertherm Tech-
nical Service team.
• XPR action: Shut down
• Code cancels with: Remote on-off
Diagnostics and Troubleshooting
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811530 Instruction Manual XPR460
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