Mitsubishi Electronics MSZ12UN When YOU Think That Troub, Question Answer not a malfunction

Models: MSZ12UN MSZ09UN

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WHEN YOU THINK THAT TROUB

Question

Answer (not a malfunction)

The air conditioner cannot be operated for about 3 minutes when restarted.

Cracking sound is heard.

The room smells strange.

The fan stops during the DRY operation.

The sound of water flowing is heard.

The sound as burbling is heard.

The room cannot be cooled sufficiently.

This protects the air conditioner according to instruc- tions from the microprocessor. Please wait.

This sound is generated by the expansion/contraction of the front panel, etc. due to change in temperature.

The air conditioner sucks in an odor adhering to the wall, carpet, furniture, cloth, etc. and blows it out with the air.

In DRY operation, the unit operates using the same refrigerant circuit as in COOL operation. DRY opera- tion time has to be reduced in order to lower humidity without much room temperature decreasing. So the compressor sometimes stops, and at the same time the indoor fan stops. This prevents water condensed on the heat exchanger from evaporating again.

This is the sound of refrigerant flowing inside the air conditioner.

This is the sound of condensed water flowing in the heat exchanger.

This is the sound of the heat exchanger defrosting.

This sound is heard when the outside air is absorbed from the drain hose in turning on the range hood or the ventilation fan and that makes water flowing in the drain hose spout out.

This sound is also heard when the outside air blows into the drain hose in case the outside wind is strong.

When a ventilation fan or a gas cooker is used in a room, the cooling load increases, resulting in an in- sufficient cooling effect.

When the outside air temperature is high, the cooling effect may not be sufficient.

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Mitsubishi Electronics MSZ12UN, MSZ09UN operating instructions When YOU Think That Troub, Question Answer not a malfunction