Technical Notice V1.0 / 01.09 Page 93 / 100
Breakdowns 13
The motor doesn't run
- Check the rotation direction.
- Circuit breaker activated
✔ Check the liquid level.
✔ Reset the circuit breaker.
- Faulty bearings
✔ Replace the bearings.
- Insufficient fluid
✔ Add some fluid.
- Non-standard fluid quality
✔ Change the fluid.
- Motor out of order
✔ Replace the motor.
The motor runs, but without the pressure increasing in the circuit concerned
- Faulty pump
✔ Replace the pump
G. Check that the compressor is running
The compressor is powered on 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 (optional on CSW50 through CSW150), intake pressure too low
for the compressor
- Gas leakage?
✔ Call a refrigeration engineer to repair the leak and refill the circuit with gas
LP contact is open (optional), intake pressure too low for the compressor
- The breakdown is indicated on the breakdown indicator (starting at model CSW200)
✔ Follow the instructions
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