Solving Common Problems

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

Problem	Explanation/Solution

The air conditioner does not	◆ Check that the breaker used for the air conditioner is switched on.
operate at all

Wired Remote Controller

The air conditioner does not operate with the remote controller

◆ is displayed on the wired remote controller. In this case, turn the air conditioner off and contact your dealer.

Wired Remote Controller

When turning on/off the	◆ In case of using the wired remote controller for a group, the air
air conditioner, it is not	conditioners connected to the remote controller are turned on/off in
turned on/off immediately.	order. Thus, it takes some time(up to 32 seconds).

Wireless Remote Controller
The air conditioner does not	◆ Check that there are no obstacles between you and the remote
operate with the remote	control sensor.
controller	◆ Check the wireless remote controller batteries
	◆ Check that you are close enough to the remote control sensor.
	(7 metres/yards or less).

Wireless Remote Controller

No beep is heard when you

press (ON/OFF) on the remote controller

◆Check that you are pointing the remote controller at the remote control sensor on the indoor unit.

◆Replace the remote controller batteries if necessary.

◆If there is a strong light around the air conditioner, a three-wavelength light, a neon sign, etc., for example,

the air conditioner may not be operated with a remote controller. If this happens, use the remote controller close by the remote control sensor.

The air conditioner does	◆ Check that the correct operating mode has been selected.
not cool or heat	◆ The room temperature may be too low or too high.
	◆ Dust may be blocking the air filter guard; refer to page 11 or 12
	for cleaning instructions.
	◆ Check that there is no obstacle in front of the outdoor unit.

When heating, the required	◆ Check that the required temperature has been set correctly.
room temperature is never	◆ Increase the fan speed.
reached and the air
conditioner frequently stops

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