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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
The air conditioner does not
operate at all
Wired Remote Controller
The air conditioner does not
operate with the remote
controller
Wired Remote Controller
When turning on/off the air
conditioner, it is not turned
On/Off immediately.
Wireless Remote Controller
The air conditioner does not
operate with the remote
controller
Wireless Remote Controller
No beep is heard when you
press
(ON/OFF) on the
remote controller
The air conditioner does
not cool
Technical Specifications
Model
Power Supply
ADC4400TB
1Ø, 220V~, 60Hz
Explanation/Solution
N Check that the breaker used for the air conditioner is switched on.
N
is displayed on the wired remote controller. In this case,
turn the air conditioner off and contact your dealer.
N 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).
N Check that there are no obstacles between you and the remote
control sensor.
N Check the wireless remote controller batteries (Refer to page 11).
N Check that you are close enough to the remote control sensor.
(seven metres/ yards or less).
N Check that you are pointing the remote controller at the remote
control sensor of the receiver & display unit.
N Replace the remote controller batteries if necessary.
N Check that the correct operating mode has been selected.
N The room temperature may be too low or too high.
N Dust may be blocking the air filter guard; refer to page 26
for cleaning instructions.
N Check that there is no obstacle in front of the outdoor unit.
Package Weight
Paper
Plastic
Wood
27
E-
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