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| The following symptoms do not indicate malfunction. |
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| Symptom | Cause |
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| Mist emerges from indoor unit. | • Condensation effect due to cooling process. |
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| Water flowing sound during operation. | • Refrigerant flow inside the unit. |
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| The room has a peculiar odour. | • This may due to damp smell emitted by the wall, carpet, furniture or |
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| clothing. |
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| Indoor fan stops occasionally during automatic | • This helps to remove the surrounding odours. |
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| fan speed setting. |
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| Operation is delayed a few minutes after | • | The delay is a protection to the unit’s compressor. |
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| restart. |
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| Outdoor unit emits water/steam. | • Condensation or evaporation occurs on pipes. |
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| Timer indicator is always on. | • | The timer setting repeats daily once set. |
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| Power indicator blinks during operation and | • | The unit is in defrost mode, and the melted frost is drained from the |
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| the indoor fan is stopped. |
| outdoor unit. |
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| Indoor fan stops occasionally during heating | • | To avoid unintended cooling effect. |
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| operation. |
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| Power indicator blinks before the unit is | • | This is a preliminary step in preparation for the operation when the ON |
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| switched on. |
| timer has been set. |
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| 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 | |
Heating/Cooling operation 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.
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.
Patrol sensor or
•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 not obstructed.
•Certain fluorescent lights may interfere with signal transmitter. Please consult your nearest dealer.
•Press 
or 
twice. If the patrol sensor or
The unit stops and the timer indicator blinks.
1 | Press for 5 | 2 | Press until you hear |
seconds. | beep sound, then jot | ||
| Press for 5 |
| down the error code. |
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| seconds to quit |
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| checking. |
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• 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.
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