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Phenomena
Possible results
Solution
Poor cool operation
Filter is dirty.
Clean the filter.
The inlet and outlet port are blocked.
Move the barrier or move the unit ro empty
place.
The refrigerant is leakage.
Detect the leakage or charge refrigerant.
The cooling system is blocked.
Clean pipe system and recharge.
The rotational speed of fan is slow, or
fan does not rotate.
Check if the fan motor's supply circuit of
controller is normal, if the connection wire
of motor is loosen, and failure for capacity
or motor.
Set cooling (dry) mode, but no
cool air blow out.
Indoor temperature is less than preset
temperature (under cooling)
Normal phenomena (adjust lower preset
temperature)
Evaporator is frosting.
The system is defrost, and abnormally runs
after defrost.
Abnormal noise
Sparepart is loose.
Bind the spareparts.
The fan is decentred.
Replace the fan.
Compressor is damaged.
Replace the compressor.
Not stop after over-blow
The switch of water level is open circuit. Check and repair switch loop of water level.
Over-blow protection frequent
Kick motor is damaged.
Replace the kick motor.
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