Solving Common Problems
Before contacting the
Problem | Explanation/Solution |
The air conditioner does not operate at all
◆Check that the breaker used for the air conditioner is switched on.
Wired Remote Controller
The air conditioner does not ◆ | is displayed on the wired remote controller. In this case, |
operate with the remote | turn the air conditioner off and contact your dealer. |
controller |
|
Wired Remote Controller
When turning on/off the air conditioner, it is not turned on/off immediately.
◆In case of using the wired remote controller for a group, the air conditioners connected to the remote controller are turned on/off in order. Thus, it takes some time(up to 32 seconds).
Wireless Remote Controller
The air conditioner does not operate with the remote controller
◆Check that there are no obstacles between you and the remote control sensor.
◆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 receiver & display unit.
◆Replace the remote controller batteries if necessary.
◆If there is a strong light around the air conditioner, a
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 12 or 13 |
| 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.
