Solving Common Problems

Before contacting the after-sales service, perform the following simple checks. They may save you the time and expense of an unnecessary call.

Problem

Explanation/Solution

The air conditioner does not operate at all

◆Check that the breaker used for the air conditioner is switched on.

◆Check that the OPERATION indicator on the indoor unit is on;

if necessary press (On/Off) on the remote control.

◆Check whether the TIMER indicator on the indoor unit is switched on. If so:

-Wait until the switch-on time is reached and the air conditioner starts up automatically

-Cancel the timer (see page 19 for further details)

In case of B unit and C unit, the heating and cooling are not operated simultaneously

◆Check whether the operation modes of B unit and C unit are same. In case of B unit and C unit, the heating and cooling are not operated simultaneously but only the same operation is possible. If they are in different operation mode, the first operated unit is run but the later one does not operate so that the display part of indoor unit shows the flickering lamp of OPERATION (RED) and TURBO (RED). Refer to the page 25 for details.

The air conditioner does not operate with the remote control

◆Check that there are no obstacles between you and the indoor unit.

◆Check the remote control batteries.

◆Check that you are close enough to the indoor unit (seven metres/ yards or less).

No beep is heard when you press	◆ Check that you are pointing the remote control at the infrared sensor
(On/Off) on the remote control	in the middle of the indoor unit.

◆Replace the remote control batteries if necessary.

The air conditioner does not cool	◆ Check that the correct operating mode has been selected
or heat	(	,	,	).

◆The room temperature may be too low or too high.

◆Dust may be blocking the air filter guard; refer to page 21 for cleaning instructions.

◆Check that there is no obstacle in front of the outdoor unit.

When heating, the required room temperature is never reached and the air conditioner frequently stops

◆Check that the required temperature has been set correctly.

◆Increase the fan speed.

◆If the air flow is directed downwards, use the remote control to direct it upwards.

The fan speed does not change		◆ Check that the operating mode is set to		,	or	; in the
when you press the	button	mode, the fan speed changes automatically and in the					mode,
		it is set to AUTO.

The air flow direction does not		◆ Check that the air conditioner has been switched on; if necessary,
change when you press the		press	(On/Off) on the remote control.
button

The timer is not correctly triggered		◆ Check that you have set the clock to the right time; see page 8.

◆Check that the timer has been programmed correctly; see page 16.

Odours are permeated in the room ◆ Air the room. during air conditioning

E-22

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