Haier SAP-KRV9AV Instruction Manual page 21

6. TROUBLESHOOTING
Problem
Remote control unit does not work.
There is water leakage from the indoor unit.
There is water leakage from the outdoor unit.
Noise is emitting from the indoor unit.
The indoor unit does not produce air ow.
Moisture forms on the air outlet vent.
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Solution
• If the un it is experiencing abnormal interference or
the functions are being changed too frequently,
wireless remote co ntrol unit may not work properly.
Pulling out and rmly re-inserting the power plug
should reestablish normal operation.
• Is the remote control unit pointed at th e receiver?
Is there any obstruction?
• Check if the batteries in the control unit are correct;
if not, insert the correct batteries.
• The air humidity is on the high side.
• Condensed water has over owed.
• The indoor unit drainage pipe connection is loose.
• When the unit is operating in COOL mode,
condensation will form at the connection of pipe
and pipe joint due to the water being cooled down.
• This is a fan or compressor relay switching (On/
OFF) sound.
• When the unit is defrosting or has stopped running,
sound will be emitted due to the refrigerant owing
in the opposite direction.
• In dehumidifying " " mode, the indoor fan
sometimes stops in order to avoid recondensation.
• If th e unit is operating in high humidity for long
periods of time, moisture will condense on the air
outlet grill and drip o .