Technical Notice CSO/CPO V1.1 / 10.14
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Troubleshooting 10
The motor doesn't run
- Check the rotation direction
- Circuit breaker tripped out
✔
Check the liquid level.
✔
Reset the circuit breaker.
- Bearings defective
✔
Replace the bearings.
- Insufficient fluid
✔
Add fluid.
- Fluid quality nonconforming
✔
Change the fluid.
- Motor out of order
✔
Replace the motor.
The motor runs, but without pressure increasing in the concerned circuit
- Pump defective (option)
✔
Replace the pump
F.
Check that the compressor is running.
The compressor is powered but doesn't work
- The internal compressor safety switch has been activated
✔
Cut off the power supply
Let the unit cool off (may take several hours)
Restart the unit
✔
Check that the exhaust fan is working properly
Clean the condenser
LP contact is open, intake pressure too low for the compressor
- Gas leakage
✔
Call a refrigeration engineer to repair the leak and refill the circuit with gas
- Insufficient oil flow rate
✔
Check the oil feeding of the device