Phenomenon
Troubleshooting
Remote controller is not available
Is the remote controller out of effective
distance to the indoor unit?
Is the battery exhausted?
Are there any obstructions between the
controller and the signal receptor?
Indoor unit does not operate
immediately when the air
conditioner is restarted
Once the air conditioner is stopped,
it will not operate in approximately
3 minutes to protect itself.
There is unusual smell blowing from
the outlet after operation is started.
This is caused by the odour in the
room permeated from building
material, furniture, or smoke.
Sound of water flow can be heard
during cooling operation
This is caused by the refrigerant
flowing inside the unit.
Mist is emitted during cooling
operation.
Mist is emitted during heating
operation.
Because the air of the room is cooled
down rapidly by the cold wind and it
looks like the fog.
This generate due to moisture in
defrosting process.
Low noise can be heard during
operation
A low hissing sound is caused by
the refrigerant flowing.
A low squeak sound is caused by
the deformation of plastic due to
temperature.
Cooling (Heating)efficiency is not
good
Is the setting temperature suitable?
Is the air inlet or outlet obstructed?
Are air filter dirty?
Is indoor fan speed set at low speed?
Is there any heat source in your room?
In case any of the following situations happen, please immediately stop all
operations and cut off the power supply, then contact with service centre .
The fuse and switch often breaks.
Carelessly splash water or something into air conditioner.
Unusual noise can be heard during operation.
Electrical wiring and power plug are very hot.
Wind blowing from the outlet smells terrible during operation.
The Run light or other display flashes rapidly and keeps flashing after repluging.
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Summary of Contents for PAC12040A
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