58
Faulty
Faulty
Ch ange the c ontactor
Ch ange the c ontacts
Repa ir or change the moto r
conta ct or
Repa ir or change if necess ary
Com pre ss or
conta ct or
Ch ange the c ontactor
Ch ange the c ontacts
Ch ange the c o mp ress or
Correct the wiring
21
Coil burnt
Contact faulty
Fan motor faulty
Other electrical component
faulty
Open compressor windings
Contact faulty
Coil burnt
Incorrect wiring
Condenser
fan contactor
The most common causes of air conditioner failure to “start” are :
a) Voltage not within ±10% of 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.