1. TROUBLE - SHOOTING
Symptom: No cooling at all or insuficient cooling
Does compressor run ?
Check starting
circuit
Replace faulty electric
parts
No
No good
Check resistance of
motor winding with
ohm meter
Compressor locking
Check Oil Compressor
Pipe Cleaning
Replace compressor
Motor winding
disconnect or burn
OK
No Good
Change Thermostat
Does Thermostat good
operation?
Check Thermostat
No
Yes
Check frost on Evaporator
Yes
Clog caused by
moisture
Replace faulty
electric part
Check out weather oil is
oozing
Little Frosting or just on Inlet tube eva
only
Gas leakage
Cut capillary tube at
outlet of dryer
Check the smell
Check compressor
oil
Can not repair
Bad smell
Occasionally frosting
Frosting too much
Yes
Compressor broken
Check Compressor Oil
Pipe Cleaning
Replace Compressor
Clog caused by
solid substance
Clog caused by
solid substance
Make compressor stop and
check if gas come out by
cutting capillary tube ar 35
mm from outlet of dryer
Gas come out from both dryer side
and evaporator side
Gas come out from evaporator side only
Gas come out from dryer side only
No
(Clog near inlet of evaporator)
(Thermostat, starting relay, motor protector, starting
capacitor, running capacitor, defrost timer)
OK
OK
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