Troubleshooting
The following symptoms do not indicate malfunction.
Symptom
Mist emerges from indoor unit.
Water flowing sound during operation.
The room has a peculiar odour.
Indoor fan stops occasionally during automatic
fan speed setting.
Operation is delayed a few minutes after
restarting.
Outdoor unit emits water/steam.
The unit operates automatically when power
is resumed after a power failure.
Indoor fan stops occasionally during heating
operation.
Power indicator blinks before the unit is
switched on.
Cracking sound during operation.
Check the following before calling for servicing.
Symptom
Operation in COOL/HEAT mode is not working
efficiently.
Noisy during operation.
Remote control does not work.
(Display is dim or transmission signal is weak.)
The unit does not work.
The unit does not receive the signal from the
remote control.
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY AND UNPLUG
then please consult authorised dealer under
the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the
remote control.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning
properly.
• The timer indicator blinks and the unit can not
be operated
F568805-en.indd 9
Cause
• Condensation effect due to cooling process.
• Refrigerant flow inside the unit.
• This may due to damp smell emitted by the wall,
carpet, furniture or clothing.
• This helps to remove the surrounding odours.
• The delay is a protection to the unit's compressor.
• Condensation or evaporation occurs on pipes.
• It is the Auto Restart function of the unit. Operation will
be restarted automatically under the previous operation
mode and air flow direction when power is resumed as
the operation is not stopped by remote control.
• To avoid unintended cooling effect.
• This is a preliminary step in preparation for the
operation when the ON timer has been set.
• Changes of temperature cause the expansion/
contraction of the unit.
Check
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the filters.
• Clear any obstruction at the air inlet and air outlet vents.
• Check if the unit has been installed at an incline.
• Close the front panel properly.
• Insert the batteries correctly.
• Replace weak batteries.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Make sure the receiver is not obstructed.
• Certain fluorescent lights may interfere with signal
transmitter. Please consult authorised dealer.
The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
1
/
Press for 5
seconds.
QUIET
3
A
Press for 5
seconds to quit
SELECT
checking.
CHECK ERROR RESET RESET
2
Press until you
hear beep sound,
then jot down the
POWERFUL
error code.
4
B
Turn the unit off
SET/CANCEL
and reveal the
error code to
authorized dealer.
2012-11-7 15:20:12
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