ASCON Service Guide Book
83
Condenser
fan contactor
Contact faulty
Fan motor faulty
Other electrical
component faulty
Compressor
contactor
Contact faulty
Fan motor faulty
Open compressor
windings
Repair or change the motor
contactor
Repair or change if necessary
Change the contacts
The most common causes of air conditioner failure to ‘start’ are:
a) Voltage not within ± 10% of the rated voltage.
b) Power supply interrupted
c) Improper control settings
d) Air conditioner is disconnected from main power source
e) Fuse blown or circuit breaker off.