User manual

E-13
ENGLISH
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
operate at all
Check that the breaker used for the air conditioner is switched on.
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
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 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
not cool or heat
Check that the correct operating mode has been selected.
The room temperature may be too low or too high.
Dust may be blocking the air filter guard; refer to page 12 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.
AVMDSH022EA_E_24325.indd 13 2005-11-10 ソタネト 6:55:37