9. Phenomenon Analysis and Treatment measures
9.1 Self-analysis
Please check the following before requesing after-sale service from your dealer.
1. When the air conditioner does not operate at all.
1) Is the power plug in an outlet?
2) Is the time set to “ON” position?
3) Is there a power failure or a blown fuse?
2. When poor cooling or heating performance.
1) Is the room temperature setting suitable?
2) Are the air filters clean (Not clogged)?
3) Are the window(s) and door(s) opened?
3. When poor cooling performance.
1) Is direct sunlight entering the room?
2) Is there a heat source in the room?
3) Are there too many people in the room?
9.2 Contact with distributor Immediatly
Pull out the power plug immediately and inform to your distributor in the following situations:
1. Fuse or breaker often breaks off.
2. Power plug or code is excessively hot.
3. Covering of power plug or code is broken.
4. Malfunciton is observed TV, radio or other devices.
5. Switch does not actuate surely.
6. Abnormal noise is heard during operation.
When faulty operation movement is observed when the RUN button is pressed, even after pulling out the power
plug and restarting the operation after 3 minutes, faulty movement does not disappear.
9.3 Phenomenons what user need to know
We hope you will know the following when using the unit.
Phenomenons
Reasons
The unit can not be restarted just after shut down.
(RUN lamp is illuminating)
Air is not blown out at starting of heating
operation.
Air blow is stopped to prevent blowing out of cold air unit the
indoor heat exchanger is warmed.(2 to 5 min) (Hot Keep)
The unit will not stop blowing out the air
immediately after shut down at COOLoperation
(some model)
Air is not blown out for 6 to 12 min, at heating
operation.
Air is not blown out at DRY operation.
Because the unit is doing mould proofing operation and indoor
fan motor runs at low speed,. The louver will not close down
until after 30 seconds.
Indoor fan is sometimes stopped to prevent vapor of
dehumidified mositure and save energy.
Mist is blown out at COOL operation.
Odor is sent out.
Noise is heard cracking sound.
This is caused by the refrigerant that is circulating
inside the unit.
Air blown out during operation may smell. This is the smell of
tobacco or cosmetics sticked to the unit.
This phenomenon sometimes occurs when the temperature
and humidity of the room are very high, but it will disappear
with lowering of the temperature and humidity.
When outdoor temperature is low and humidity is high, the
unit sometimes performs defrosting automatically.
Please wati. During defrosting, water or steam are raising
from the outdoor unit.
Restart is stopped for 3 minutes after shut down to protect
theunit.Three-minutes protection timer incorporated in the
microcomputer actuates automatically. Except that power
is connected, this function does not actuate.
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