Table 34 - Diagnostic code descriptions (continued)
Code Priority Description
XPR
models
Corrective action
717 Alert Low voltage–mix (Opti-
Mix only)
All models
718 Alert High voltage–mix All models
Confirm the output voltage of the 24 VDC power
source in the gas connect console. Make sure that the
output voltage is 24 VDC.
• XPR action: Ramp down
• Code cancels with: Set process; remote on-off
719 Alert Mix pwm 100% All models Troubleshooting for duty cycle limit on proportional
valve supply voltage on page 364
720 Alert Mix P21>Pin All models Troubleshooting for pressure out is greater than pres-
sure in on page 364
721 Error Mix checksum All models
722 Error Mix flow cal All models
723 Error Mix pressure cal All models
Troubleshooting for gas mixture faults on page 365
724 Error Mix I2C1 All models
725 Error Mix I2C2 All models
Troubleshooting for gas mixture communication errors
on page 366
726 Error Mix system clock All models Troubleshooting for gas mixture faults on page 365
727 Error Bad Temp Reading–Ch1 XPR460
728 Error Bad Temp Reading–Ch2 XPR460
729 Error Bad Temp Reading–Ch3 XPR460
These codes occur when consecutive temperature
samples are different by more than 2°. If you continue
to get this code, speak to your cutting machine sup-
plier or regional Hypertherm Technical Service team.
• XPR action: Ramp down
• Code cancels with: Start or set process; remote on-
off
730 Alert Solenoid error V1 All models Troubleshooting for solenoid valve V1 in the Torch-
Connect console on page 367
Diagnostics and Troubleshooting
8
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811530 Instruction Manual XPR460
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