Panasonic S-12MY2U6 Installation Instructions Manual page 20

■ 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
Sound like streaming water during
operation or after operation
Noise
Cracking noise during operation or
when operation stops.
Discharged air is smelled during
Odor
operation.
Dewdrop gets accumurated near air
Dewdrop
discharge during operation
Fog occurs during operation in cooling
mode.
Fog
(Places where large amounts of oil
mist exist at restaurants.)
Fan is rotating for a while even though operation stops.
Wind-direction changes while operating.
Wind-direction setting cannot be made.
Wind-direction cannot be changed.
When wind-direction is changed, flap operates several
times and stops at designated position.
Dust
Outdoor unit
●
Symptom
When power is turned ON instantly.
No operation
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 accumurated 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 rotates because of drying heat exchanger due to
●
settings.
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.
Flap position is occasionally set up individually. During fan rotating,
●
selectable fixed wind-direction is changed to 4 positions. Although
remote control display is selectable 5-position, wind-direction of 3
th
4 positions from horizontal wind flow is equally functioned.
(Y2 type only).
When wind-direction is changed, flap operates after searching for standard
position.
Dust accumulation inside indoor unit is discharged.
Operation is not activated for the first approx. 3 minutes because
compressor protection circuit is activated.
During defrost operation
Fan rotating makes operation smoothly.
20
Cause
Cause
rd
and