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10 - PROBLEM SOLVING
For oil-less compressors
Observation
Insufficient pressure
The unit fails to speed up
Pressure in the tank
exceeds the maximum level
and causes
safety valve bleeding
Air loss from the pressure
switch valve
The tank fails to hold the pres-
sure
Too frequent starts / periods
of operation too short
100
Possible causes
Air loss
Air filter clogged
Incorrect adjustment of the
pressure switch
Excessive air consumption
Valves plate damaged
Pressure switch valve malfun-
ction
Solenoid valve not operating
Voltage drop at the motor termi-
nals
Non-return valve
malfunction
Solenoid valve not operating
Pressure switch wrongly set or
out of order
Solenoid valve faulty
Problems with the non-return
valve
Pressure switch valve out of
order
Non-return valve malfunction
Air losses
Pressure switch incorrectly set
Problems with the non-return
valve
Solutions
Contact the Assistance Centre
Clean or change the air filter
Attend to the correct adjustment
Reduce user points
Contact the Assistance Centre
Contact the Assistance Centre
Contact the Assistance Centre
Use a cable of the
correct size.
Contact the Assistance Centre.
Contact the Assistance Centre
Contact the Assistance Centre
Contact the Assistance Centre
Contact the Assistance Centre
Replace the valve
Contact the Assistance Centre
Contact the Assistance Centre
Replace the valve.
Contact the Assistance Centre
Check and correct if necessary
Correct the setting of the
pressure switch
Replace the valve.
Contact the Assistance Centre
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