Instruction manual
13
9. Trouble Shooting
Before calling a serviceman,please check the followings:
The air conditioner
does not work
The compressor stops
working
In heating operation
the unit cannot emits
warm air (Heat Pump
Type)
The efficiency of
cooling or heating is
low
Noise
Abnormality of the
remote controller
display
Cold water leaks from
the air conditioner
Symptom Possible reason
Dew will occur in the air outlet due to the temperature difference.
The power of the batteries has run out.
The batteries are inserted inversely.
Take out the batteries and insert them again.
Attention:The dirt between the fins of the outdoor heat ex-
changer should be cleaned regularly (cut off the power supply
before cleanning, be careful and not be injured by fins.)
The air filters are too dirty.
The intake vent or outlet vent is blocked up.
In heating operation, the ambient temperature is too low.
Repeatedly heat and defrost.
The compressor is at delay stage (To protect the compressor,
there are several minutes delay for every start).
It has the function that can prevent the cold air from blowing out
,please wait a moment after the compressor works.
In defrosting operation, the hot airflow will be blown out automati-
cally after defrosting operation.
The electrical wiring is plugged into the socket incorrectly.
Mal-operation of the remote controller.
The voltage is too low.
The electricity was transmitted back immediately after been cut off.
The voltage is uneven or owing to the thunder weather, please pull
out the plug, restart the units in 3 minutes.
In the drying operation, it works for 10 minutes, then rests for 5
minutes repeats in cycles.
The room temperature has reached the degrees set by the remote
controller.
Sounds like water flow.
It is the sound of the circulation of refrigerant.
Sounds like air is condensed to leak out.
In heating operation, at the beginning or ending of defrosting,
there is the sound of the back-flow refrigerant(Heat Pump Type).