■ Troubleshooting
If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work
properly, contact your dealer or a service center.
Indoor unit
●
Symptom
Noise
Sound like streaming water during
operation or after operation
Cracking noise during operation or
when operation stops.
Odor
Discharged air is smelled during
operation.
Dewdrop
Dewdrop gets accumulated near air
discharge during operation
Fog
Fog occurs during operation in
cooling mode.
(Places where large amounts of oil
mist exist at restaurants.)
Fan is rotating for a while even though operation
stops.
Air flow direction changes while operating.
Air flow direction setting cannot be made.
Air flow direction cannot be changed.
When air flow direction is changed, flap operates
several times and stops at designated position.
Dust
During operation the inspection sign blinks on the
remote controller display.
Outdoor unit
●
Symptom
No operation When power is turned ON instantly.
When operation is stopped and
resumed immediately.
Noise
Noise often occurs in heating mode.
Steam
Steam often occurs in heating mode.
When stopped by remote controller, outdoor unit
fan is sometimes operating for a while even though
outdoor compressor is stopped.
Sound of refrigerant liquid flowing inside unit
●
Sound of drainage water through drain pipe
●
Cracking sound due to temperature changes of parts
Indoor odor components, cigarette odor and cosmetic odor accumulated
in the air conditioner and its air is discharged.
Unit inside is dusty. Consult your dealer.
Indoor moisture is cooled by cool wind and accumulated by dewdrop.
Cleaning is necessary because unit inside (heat exchanger) is dirty.
●
Consult your dealer as technical engineering is required.
During defrost operation
●
Fan rotating makes operation smoothly.
●
Fan may sometimes rotate because of drying heat exchanger due to
●
settings.
When air discharge temperature is low or during defrost operation,
●
horizontal air flow is made automatically.
Flap position is occasionally set up individually.
●
When air flow direction is changed, flap operates after searching for
standard position.
Dust accumulation inside indoor unit is discharged.
One or more of the fans do not work.
Operation is not acticated for the first approx. 3 minutes because
compressor protection circuit is activated.
During defrost operation
Fan rotating makes operation smoothly.
23
Cause
Cause
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