Troubleshooting
Echion Operator Manual 810770 125
Air-cooled system
The ambient air temperature is too high.
Ambient air temperature can affect cooling. If a pump that is installed in a small space or in a
high-temperature location, consider adding a chiller to the system for supplemental cooling.
The fan is not generating enough airflow.
Make sure that the fan motor breaker is not tripped.
Clean the air cooler. Refer to Clean the air cooler on page 78.
The thermal overload relay turned off the fan motor.
Reset the relay. Refer to Warning: Boost Motor on page 115.
The sensor is not sensing the correct temperature.
Plug in the sensor.
Replace the cord.
The temperature sensor is faulty or damaged.
Replace the sensor.
Pressure
The hydraulic fluid pressure is too low.
The cut pressure is not set correctly.
Make sure that the cut pressure is set correctly.
The pump is in pierce-pressure mode.
Make sure that the pump is in cut-pressure mode.
The relief valve on the hydraulic manifold has failed.
Contact a Hypertherm Technical Service Associate for information and support.
Do not adjust the setting on the thermal overload relay unless instructed to do so by a
Hypertherm Technical Service Associate.
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