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Observation
The compressor fails to start
Overload relay
disconnects
Possible causes
Electrical fault
Ambient temperature too high
Fan rotating in wrong direction
Voltage too low
Machine pressure overload
Overload relay set incorrectly
Solenoid valve faulty
Leaks from non-return valve
Overcurrent caused by a fault in
the motor or the compressor
instruction manual
Solutions
Check the electrical system.
Check the sealing of fuses and
line terminals
Improve the ambient ventilation
Check the motor electrical con-
nections
Check the network's power and
the size of the cable
Reset the relay.
If the problem persists, contact
the Assistance Centre
The compressor will start when
the pressure again falls below
the pre-set value
Check and reset the relay
Contact the Assistance Centre
Replace the valve.
Contact the Assistance Centre
Contact the Assistance Centre
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