E-
14
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.
Explanation/Solution
Check that the breaker used for the air conditioner is switched on.
Problem
The air conditioner does not
operate at all
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).
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 not
operate with the remote
controller
Wireless Remote Controller
Wireless Remote Controller
No beep is heard when you
press (On/Off)
on the remote controller
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.
The air conditioner does
not cool or heat
is displayed on the wired remote controller. In this case,
turn the air conditioner off and contact your dealer.
Wired Remote Controller
The air conditioner does not
operate with the remote
controller
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).
Wired Remote Controller
When turning on/off the
air conditioner, it is not
turned on/off immediately.
Check that the required temperature has been set correctly.
Increase the fan speed.
When heating, the required
room temperature is never
reached and the air
conditioner frequently stops
DB98-26846A_E.indd 14
2007-3-19 18:29:55
