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Troubleshooting
The following symptoms do not indicate malfunction.
Mist emerges from indoor unit.
Water flowing sound during operation.
The room has a peculiar odour.
Indoor fan stops occasionally during automatic • This helps to remove the surrounding odour.
fan speed setting.
Airflow continues even after operation has
stopped.
Operation is delayed a few minutes after
restarting.
Outdoor unit emits water/steam.
TIMER indicator is always on.
During deice operation, flap is closed.
POWER indicator blinks during HEAT mode
with no warm air supply (and flap is closed).
Indoor fan stops occasionally during heating
operation.
POWER indicator blinks before the unit is
switched on.
Cracking sound during operation.
Dusts accumulated on the wall.
POWER indicator blinks and stops when
operate COOL/DRY mode.
Discoloration of some plastic parts.
Cooling/heating capacity reduced during the
lowest fan speed setting.
Check the following before calling for servicing.
Operation in HEAT/COOL mode is not working • Set the temperature correctly.
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.
12
Symptom
Symptom
• Condensation eff ect due to cooling process.
• Refrigerant flow inside the unit.
• This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
• Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
• The delay is a protection to the unit's compressor.
• Condensation or evaporation occurs on pipes.
• The timer setting repeats daily once set.
• The AIR SWING is set to AUTO.
• The unit is in defrost mode (and AIR SWING is set to
AUTO).
• To avoid unintended cooling eff ect.
• 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.
• Changes of temperature caused the expansion/
contraction of the unit.
• Due to air circulation or static electricity generated
by the air conditioner. Some types of wall paper may
collect dusts easily (recommended to clean the area
around the air conditioner frequently).
• The system has locked to operate in HEAT mode only.
• Discoloration is subject to material types used in plastic
parts, accelerated when exposed to heat, sun light, UV
light or environmental factor.
• The low fan speed is low noise priority operation, so
cooling/heating capacity may be reduced (depending
on the condition). Increase the Fan Speed to increase
the capacity.
• 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.
Cause
Check
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