Diagnostics and Troubleshooting
322 809480 Instruction Manual XPR300
Over temp diagnostic codes – Choppers (560 – 561) and Coolant (587)
1. Make sure that the clearance around the plasma power supply is adequate.
For adequate ventilation, Hypertherm recommends a minimum separation
distance of 1 meter (3.3 feet) between the plasma power supply and any
other objects or equipment.
2. Make sure that the ambient temperature where the plasma power supply is located is within the
acceptable temperature range for cutting system operation Refer to Table 1.
If the temperature where your plasma power supply is located is above the
temperature limit, you can see reduced performance and over-temp
diagnostic codes.
3. While all of the fans continue to operate, allow the cutting system to cool.
4. Reference the XPR web interface. Make sure that the heat-exchanger fan speed is within the
acceptable range (heat-exchanger fan 1; heat-exchanger fan 2).
WARNING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before doing troubleshooting or diagnostic work.
All work requiring removal of the plasma power supply outer cover or panels
must be done by a qualified technician.
See the Safety and Compliance Manual (80669C) for more safety
information.
CAUTION
MOVING BLADES CAN CAUSE INJURY
Keep your hands away from moving parts.
Fan type Acceptable 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
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