Abnormity Diagnose - Haier HWE18VCN Service Manual

HWE18VCN A b n r o m y t i D a i g n o s e

7. Abnormity Diagnose

If air conditioner does not operate:
Check if unit is plugged in. The plug may have come loose.
Check if the unit is in the :Off" mode.
Air from air conditioner is warm:
The A/C setting may need to be raised.
Ice formation on cooling coils:
The outside temperature is too cold. Set the unit on "fan only" setting to defrost ice.
The temperature setting may be too cold.
The unit BTU may be too high for the room.
Air conditioner is working but room is not cooling:
The room may have appliances that produce heat. Use an exhaust fan to remove excess heat.
Redirect the airflow. Remove any obstacles.
All doors and windows need to be closed so cool air does not escape the room.
The air filter may need cleaning.
The unit BTU may be too low for the required cooling area.
On extreme hot & humid days, air conditioners may take a little longer to cool.
Vent may be in the open position. Vent has to be closed for optimum cooling.
Air conditioner is making noise when cooling:
You may hear sounds of air movement, water, compressor clicking on and off or window vibrations.
Please read Operating Guide - Normal Operating Sounds.
Water in the air conditioner cabinet:
This is normal, as your air conditioner not only cools but also dehumidifies the air. If there is water dripping
inside the room, check the installation of the unit. The unit may need to be reinstalled.
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Domestic Air Conditioner