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TROUBLESHOOTING
The following symptoms do not indicate malfunction.
Symptom
Mist emerges from indoor unit.
Water À owing sound during operations.
The room has a peculiar odour.
Indoor fan stops occasionally during
automatic fan speed setting.
Operation is delayed a few minutes after
restart.
Outdoor unit emits water/steam.
Timer indicator is always on.
Power indicator blinks during operation
and the indoor fan is stopped.
Indoor fan stops occasionally during
heating operation.
Power indicator blinks before the unit is
switched on.
Cracking sound can be heard during
operation.
Check the following before calling for servicing.
Symptom
Heating/Cooling operation is not working
ef¿ ciently.
Noisy during operation.
Remote control does not work.
The unit does not work.
The unit stops and the timer indicator
blinks.
FOR EXTENDED NON-USE
• Activate heat mode for 2~3 hours to thoroughly dry the unit.
• Turn off the power supply and unplug.
• Remove the remote control batteries.
SEASONAL INSPECTION AFTER EXTENDED
NON-USE
• Checking of remote control batteries.
• No obstruction at air inlet and air outlet vents.
• After 15 minutes of operation, it is normal to have the following
temperature difference between air inlet and air outlet vents:
Cooling: • 8°C
Heating: • 14°C
Cause
Condensation effect due to cooling process.
Refrigerant À ow 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.
The timer setting repeats daily once set.
The unit is in defrost mode, and the melted frost is drained from the outdoor unit.
To avoid unintended cooling effect.
This is a preliminary step in preparation for the operation when the ON timer has been set.
Panel expanding/contracting due to change in temperature.
Check
Set the temperature correctly.
Close all doors and windows.
Clean or replace the ¿ 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.
Press for 5 seconds.
Turn the unit off and reveal the error code to your nearest dealer.
Note:
• The unit may be operable (with 4 beeps) on a limited basis, depending on the error.
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY and CALL Authorized Distributor
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.
TIMER
Press until you hear
ON
SET
beep sound, then jot
1
2
3
down the error code.
OFF
CANCEL
Press for 5 seconds
AC
RC
to quit checking.
SET CHECK CLOCK
RESET
7
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