Cause: Not cool or insufficent cooling
5. TROUBLESHOOTING GUIDE
Does the compressor
operating?
Check the start control circuit
No
Yes
Replace the defect of electric
parts (Control circuit, Motor
protector)
No
YES
Check resistance of the
motor compressor by
ohmmeter
Compressor's rotor lock
Check oil color of the
compressor
(Clean the pipe)
Replace the compressor
Rip/burn coil
No
Does the fan motor
operating?
Check the fan motor circuit,
the door switch
Check frost on the
evaporator
Clog caused by moisture
Occasionally frosting
Check the resistance of Sensor
defrost, Temp. Fuse, Defrost
heater
Replace the faulty electric
parts.
Frosting too much
Does any oil leak out?
No frosting or
frosting at the inlet only
Cut cap tube out of the dryer
side then check gas smell
Có
Cannot repair
Plug out to stop the
compressor and check gas
spout out by cutting cap
tube around 5mm from
dryer
Defect compressorGas spout out at both side
Gas spout out at dryer side
only
Gas spout out at evaporator
side only
Clogged caused by solid
substance
(near outlet of dryer)
Clogged caused by solid
substance
(near inlet of evaporator)
Yes
No good
Yes
Good
Gas leakage
Bad smell
No smell
Yes
No
Check oil color of the
compressor
(Clean the pipe)
Replace the compressor.
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