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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.
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Symptom | Check |
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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. | • | Check if the unit has been installed at an incline. | ||
| • | Close the front panel properly. | ||
Remote control does not work. | • | Insert the batteries correctly. | ||
(Display is dim or transmission signal is weak.) | • | Replace weak batteries. |
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The unit does not work. | • | Check if the circuit breaker is tripped. | ||
| • Check if timers have been set. | |||
The unit does not receive the signal from the | • Make sure the receiver not obstructed. | |||
remote control. | • | Certain fluorescent lights may interfere with signal transmitter. Please | ||
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| consult your nearest dealer. | ||
Patrol sensor or | • | Press | or | twice. If the patrol sensor or |
unit is blinking. |
| blinking, please consult your nearest dealer. | ||
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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