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