HyPrecision 50S/60S/75S Operator Manual 808690 167
7 – Troubleshooting
Troubleshooting
An increase in pump temperature can show that there is a problem with the cooling system.
Water-cooled systems
Air-cooled systems
All systems
The cooling water temperature is too high.
• Make sure that the cooling water is turned on.
• Adjust the hydraulic fluid temperature. Refer to page 81
for instructions.
CAUTION
Do not adjust the setting on the thermal overload or the fan motor starter unless instructed to do so
by a Hypertherm Technical Service Associate.
The ambient temperature is too high.
Consider supplemental cooling.
The fan is not generating enough airflow.
• Make sure that the fan motor breaker is not tripped.
• The air cooler fins are dirty or clogged.
• The thermal overload device on the fan motor starter
inside the electrical enclosure turned off the fan motor.
• Turn the OL-FAN dial to RESET and then to AUTO.
The cord for the hydraulic fluid temperature/level
sensor is unplugged or damaged.
• Plug in the sensor.
• Replace the cord.
The temperature sensor is faulty or damaged.
Replace the sensor.
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