Troubleshooting, Symptom, Cause, Check

Troubleshooting

The following symptoms do not indicate malfunction.

	Symptom	Cause
	Mist emerges from indoor unit.	• Condensation effect due to cooling process.
Water ﬂowing sound during operation.		• Refrigerant ﬂow inside the unit.
The room has a peculiar odour.		• This may be due to damp smell emitted by the wall,
		carpet, furniture or clothing.
	Indoor fan stops occasionally during automatic	• This helps to remove the surrounding odour.
fan speed setting.
Operation is delayed a few minutes after		• The delay is a protection to the unit’s compressor.
restarting.
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 before the unit is		• This is a preliminary step in preparation for the
switched on.		operation when the ON timer has been set.
Cracking sound during operation.		• Changes of temperature caused the expansion/
		contraction of the unit.
	2 or more human activity indicator turns on	• Judgement of heat source and movement area in
simultaneously.		progress.

Check the following before calling for servicing.

	Symptom	Check
	Operation in COOL mode 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.
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 is not obstructed.
remote control.		• Certain ﬂuorescent lights may interfere with signal
		transmitter. Please consult authorised dealer.

Cleaning instructions / Troubleshooting

NON SERVICEABLE CRITERIAS

TURN OFF POWER SUPPLY AND UNPLUG then please consult authorised dealer under the following conditions:

The unit stops and the TIMER indicator blinks.

Use remote control to retrieve error code.

English

•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.

1Press for

5 seconds

3Press for

5 seconds to quit checking

TIMER

ONSET

12 3

OFFCANCEL

AC RC

SET CHECK CLOCK RESET

2Press until you hear beep sound, then write down the error code

4Turn the unit off and reveal the error code to authorised dealer

•For certain errors, you may restart the unit for limited operation with 4 beeps when operation starts.

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1/17/2013 10:10:12 AM

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