Hypertherm XPR460 - Page 286

Table 34 - Diagnostic code descriptions (continued)
Code Priority Description
XPR
models
Corrective action
670 Error Thermistor Fault–Coolant All models
671 Error No Thermistor–Ind 1 All models
672 Error No Thermistor–Ind 2 All models
673 Error No Thermistor–Ind 3 XPR300,
XPR460
674 Error No Thermistor–Ind 4 XPR300,
XPR460
675 Error No Thermistor–Ind 5 XPR460
676 Error No Thermistor–Ind 6 XPR460
677 Error No Thermistor–Xfmr All models
Use a digital multimeter to measure the resistance
from the thermistor. Refer to Measure resistance from
thermistors on page 307.
• XPR action: Shut down
• Code cancels with: Remote on-off
678 Error No Thermistor–Ch1 All models
679 Error No Thermistor–Ch2 XPR300,
XPR460
680 Error No Thermistor–Ch3 XPR460
Make sure that the two wires for J9 are fully engaged.
Use a digital multimeter to measure the resistance
from the thermistor. Refer to Measure resistance from
thermistors on page 307.
• XPR action: Ramp down
• Code cancels with: Remote on-off
681 Error No Thermistor–Coolant All models
682 Error No Thermistor–Xfmr2 XPR460
683 Error Thermistor Fault–Xfmr2 XPR460
Use a digital multimeter to measure the resistance
from the thermistor. Refer to Measure resistance from
thermistors on page 307.
• XPR action: Shut down
• Code cancels with: Remote on-off
691 Error Node reset All models Troubleshooting for a console reset message on page
347
695 Alert Low inlet H
2
-Mix (OptiMix
only)
All models
696 Alert Low inlet Ar-Mix (OptiMix
only)
All models
697 Alert Low inlet N
2
-Mix (OptiMix
only)
All models
Troubleshooting for low inlet pressure for hydrogen,
argon, or nitrogen on page 348
699 Error Mix Fault (OptiMix only) All models No operator action is necessary.
• XPR action: Ramp down
• Code cancels with: Set process; remote on-off
Diagnostics and Troubleshooting
8
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811530 Instruction Manual XPR460