Panasonic U-10ME1E81 - Page 23

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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.
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Indoor unit
Symptom Cause
Noise Sound like streaming water during
operation or after operation
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Sound of refrigerant liquid flowing inside unit
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Sound of drainage water through drain pipe
Cracking noise during operation or
when operation stops.
Cracking sound due to temperature changes of parts
Odor Dischargedairissmelledduring
operation.
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.
Dewdrop Dewdropgetsaccumulatednearair
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.
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Duringdefrostoperation
Fan is rotating for a while even though operation
stops.
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Fan rotating makes operation smoothly.
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Fan may sometimes rotate because of drying heat exchanger due to
settings.
Air flow direction changes while operating.
Air flow direction setting cannot be made.
Air flow direction cannot be changed.
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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
several times and stops at designated position.
When air flow direction is changed, flap operates after searching for
standard position.
Dust Dustaccumulationinsideindoorunitisdischarged.
Duringoperationtheinspectionsignblinksonthe
remote controller display.
One or more of the fans do not work.
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Outdoor unit
Symptom Cause
No operation When power is turned ON instantly. Operation is not acticated 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. Duringdefrostoperation
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.