Symptoms
Code Symptoms XPR models XPR action Code cancels with...
560 The IGBT temperature for Chopper 1 is more than
75°C (167°F).
All models
561 The IGBT temperature for Chopper 2 is more than
75°C (167°F).
XPR300,
XPR460
562 The IGBT temperature for Chopper 3 is more than
75°C (167°F).
XPR460
587 XPR170 and XPR300: The coolant temperature
in the plasma power supply is more than 85°C
(185°F).
XPR460: The coolant temperature in the cooler is
more than 75°C (167°F).
All models
Ramp down –
Corrective action
1. Make sure that there is sufficient clearance around the cooler.
Make sure that no objects cause a blockage to the cooler fan inlets. Objects that are very near the
cooler can get pulled into the fan inlets.
For sufficient ventilation, Hypertherm recommends a minimum separation distance of 1 meter (3.3 feet)
between the cooler and other objects or equipment.
2. Make sure that the ambient temperature at the location of the cooler is in the permitted temperature
range for cutting system operation.
If the temperature around the cooler is more than the temperature limit, you can get reduced
performance and over-temperature diagnostic codes.
3. While all of the fans continue to operate, let the temperature of the cutting system decrease.
4. From the XPR web interface, make sure that the heat-exchanger fan speed is in the permitted range.
Fan type Permitted range of speed
Large fans (254 mm / 10 inch) 2,800 RPM – 3,400 RPM
Small fans (120 mm / 4.7 inch) 5,600 RPM – 6,400 RPM
5. If the fan speed is in the permitted range, remove the power from the cutting system.
6. Remove the pump-side panel from the cooler.
Diagnostics and Troubleshooting
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811530 Instruction Manual XPR460
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