16
Breaker off
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Troubleshooting
Condition Troubleshooting
• Make sure the power is on.
• Make sure the power cord is connected.
•
Make sure the circuit protection device has not
been tripped.
• Voltage maybe too high or too low.
(To be tested by professionals only)
•
Make sure the TIMER is being used correctly.
• Check the temperature setting.
• Make sure inlet and outlet vents are not
blocked?
• The air filter may be dirty.
• Make sure windows and doors are closed.
• The fan speed may be set too low.
• Other contributing sources of heat/cold.
• If the unit functions are too frequently
switched, sometimes the controller will not
operate. At this time, disconnect the plug,
connect again and try to start operation.
• Make sure the remote controller is within
range. Check for obstructions. Replace the
batteries in the remote controller.
• The remote controller may be damaged.
• High relative humidity
• Condensed water
• The indoor unit drainage pipe connection is
loose.
• When the unit operates in COOL mode, the
pipe and connection are cooled down which
creates condensed water.
• When the unit operates in Auto Defrost mode
ice thaws into water.
• When the unit operates in HEAT mode water
on the heat exchanger drips off.
The unit does not operate.
Cooling (Heating) effect is not sufficient.
Remote controller does not operate.
Water leakage in the room.
Water leakage is coming from the outdoor
unit.
• The sound comes from the fan or
compressor relay switching on or off.
• When defrosting is started or stopped this
sound is given out. Refrigerant flowing in the
reverse direction causes this to happen.
Noise is coming from the indoor unit.
01_EN_3V007382-3F.indd 1601_EN_3V007382-3F.indd 16 5/18/2010 4:55:29 PM5/18/2010 4:55:29 PM
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