18
■ 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 Cause
Noise Sound like streaming water during
operation or after operation
●
Sound of refrigerant liquid flowing inside unit
●
Sound of drainage water through drain pipe
Cracking noise during operation or
when operation stops.
Cracking sound due to temperature changes of parts
Odor Dischargedairissmelledduring
operation.
Indoor odor components, cigarette odor and cosmetic odor accumurated
in the air conditioner and its air is discharged.
Unit inside is dusty. Consult your dealer.
Dewdrop Dewdropgetsaccumuratednearair
discharge during operation
Indoor moisture is cooled by cool wind and accumulated by dewdrop.
Fog Fog occurs during operation in
cooling mode.
(Places where large amounts of oil
mist exist at restaurants.)
●
Cleaning is necessary because unit inside (heat exchanger) is dirty.
Consult your dealer as technical engineering is required.
●
Duringdefrostoperation
Fan is rotating for a while even though operation
stops.
●
Fan rotating makes operation smoothly.
●
Fan may sometimes rotates because of drying heat exchanger due to
settings.
Wind-direction changes while operating.
Wind-direction setting cannot be made.
Wind-direction cannot be changed.
●
When air discharge temperature is low or during defrost operation,
horizontal wind flow is made automatically.
●
When long-hour operation is made with fixed wind-direction, wind-
direction is controlled automatically and flap position is occasionally
changed.
●
Flappositionisoccasionallysetupindividually.Duringfanrotating,
selectable fixed wind-direction is changed to 4 positions. Although
remote control display is selectable 5-position, wind-direction of 3
rd
and 4
th
positions from horizontal wind flow is equally functioned. (Y2
type only).
When wind-direction is changed, flap operates
several times and stops at designated position.
When wind-direction is changed, flap operates after searching for
standard position.
Dust Dustaccumulationinsideindoorunitisdischarged.
●
Outdoor unit
Symptom Cause
No operation When power is turned ON instantly. Operation is not activated for the first approx. 3 minutes because
compressor protection circuit is activated.
When operation is stopped and
resumed immediately.
Noise Noise often occurs in heating mode. Duringdefrostoperation
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.
Fan rotating makes operation smoothly.
Pana_indoor_F616379_L.indb 18 2014-9-17 11:19:18
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