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Troubleshooting
The following symptoms do not indicate malfunction.
Symptom
POWER indicator blinks before the unit is
switched on.
POWER indicator blinks during HEAT
mode with no warm air supply (and fl ap is
closed).
TIMER indicator is always on.
Operation is delayed a few minutes after
restarting.
Indoor fan stops occasionally during
heating operation.
Indoor fan stops occasionally during
automatic fan speed setting.
Airfl ow continues even after operation has
stopped.
The room has a peculiar odour.
Cracking sound during operation.
Water fl owing sound during operation.
Mist emerges from indoor unit.
Outdoor unit emits water/steam.
Louder noise at outdoor unit during early
operation of i AUTO-X.
Discoloration of some plastic parts.
Check the following before calling for servicing.
Symptom
Operation in HEAT/COOL mode is not
working effi ciently.
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.
12
• This is a preliminary step in preparation for the
operation when the ON timer has been set.
• When ON Timer is set, the unit may start earlier (up
to 35 minutes) before the actual set time in order to
achieve the desired temperature on time.
• The unit is in defrost mode (and AIR SWING is set
to AUTO).
• The timer setting repeats daily once set.
• The delay is a protection to the unit's compressor.
• To avoid unintended cooling effect.
• This helps to remove the surrounding odour.
• Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
• This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
• Changes of temperature caused the expansion/
contraction of the unit.
• Refrigerant fl ow inside the unit.
• Condensation effect due to cooling process.
• Condensation or evaporation occurs on pipes.
• The compressor and fan rotate at higher speed to
boost cooling performance during initial operation.
• Discoloration is subject to material types used in
plastic parts, accelerated when exposed to heat,
sun light, UV light or environmental factor.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the fi lters.
• 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 fl uorescent lights may interfere with signal
transmitter. Please consult authorised dealer.
Cause
Check
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