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SYMPTOM CONDITION CAUSE REMEDY
2. Motor
Weak from pressure or
Don’t work
Motor is normal
Air inlet clogged Remove
Evaporator freezing
Controlling minimum
pressure
Ventilator switch damage Replace the switch
Compressor Replace
Motor is abnormal
Motor failure Replace
Wire cut Replace
Air leakage Duct leakage Check, tighten
Unable to control the
fan
Motor Air volume control switch failure Check, tighten
Motor is abnormal Motor failure Replace
3. Clutch
Noise
Regular noise
Irregular noise
Interference with pulley
Control the
compressor direction
Disengage
Engaged sometimes Wire defect Check wire
Engaged to
push with hand
Clutch gap large Adjust
Low voltage Check battery
No defect wire malfunction Replace
Slip
Slip during rotation
Low voltage Check battery
Oil stick at clutch Clean
Malfunction Replace
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