Operating Instructions

7
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Symptom Cause
Mist emerges from indoor unit.
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Condensation effect due to cooling process.
Water fl owing sound during operations.
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Refrigerant fl ow inside the unit.
The room has a peculiar odour.
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This may due to damp smell emitted by the wall, carpet, furniture or clothing.
Indoor fan stops occasionally during
automatic fan speed setting.
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This helps to remove the surrounding odours.
Operation is delayed a few minutes after
restart.
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The delay is a protection to the unit’s compressor.
Outdoor unit emits water/steam.
■
Condensation or evaporation occurs on pipes.
Timer indicator is always on.
■
The timer setting repeats daily once set.
Power indicator blinks during operation
and the indoor fan is stopped.
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The unit is in defrost mode, and the melted frost is drained from the outdoor unit.
Indoor fan stops occasionally during
heating operation.
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To avoid unintended cooling effect.
Power indicator blinks before the unit is
switched on.
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This is a preliminary step in preparation for the operation when the ON timer has been set.
Cracking sound during operation.
■
Changes of temperature cause the expansion/contraction of the unit.
TROUBLESHOOTING
The following symptoms do not indicate malfunction.
Symptom Check
Heating/Cooling operation is not working
effi ciently.
■
Set the temperature correctly.
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Close all doors and windows.
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Clean or replace the fi lters.
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Clean any obstruction at the air inlet and air outlet vents.
Noisy during operation.
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Check if the unit has been installed at an incline.
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Close the front panel properly.
Remote control does not work.
(Display is dim or transmission signal is
weak.)
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Insert the batteries correctly.
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Replace weak batteries.
The unit does not work.
■
Check if the circuit breaker is tripped.
■
Check if timers have been set.
Check the following before calling for servicing.
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.
NON SERVICEABLE CRITERIAS
• Activate heat mode for 2~3 hours to remove moisture left in
the internal parts thoroughly.
• Turn off the power supply.
• Remove the remote control batteries.
FOR 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
SEASONAL INSPECTION AFTER EXTENDED
NON-USE
The unit stops and the timer indicator blinks.
Jot down error code at indicator.
CHECK
TIMER
ON SET
OFF CANCEL
132
Press to retrieve error
code, then jot down the
error code at indicator.
If the error code does not appear at the indicator.
■
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.