9
Table 7-2
Symptoms Causes Solution
The fan speed can
not be changed.
• Check whether the MODE indicated
on the display is "AUTO"
When the automatic mode is
selected, the air conditioner will
automatically change the fan speed.
• Check whether the MODE
indicated on the display is "DRY"
When dry operation is selected, the air
conditioner automatically change the fan
speed. The fan speed can be selected
during "COOL" , "FAN ONLY", and "HEAT"
The remote controller signal
is not transmitted even when
the ON/OFF button is pushed.
• Check whether the batteries in the
remote controller are exhausted.
The power supply is o.
The TEMP. indicator
does not come on.
• Check whether the MODE indicated
on the display is FAN ONLY
The temperature cannot be
set during FAN mode.
The indication on the display
disappears after a lapse of time.
• Check whether the timer operation
has come to an end when the TIMER
OFF is indicated on the display.
The air conditioner operation
will stop up to the set time
The TIMER ON indicator goes
o after a lapse of certain time.
• Check whether the timer operation
is started when the TIMER ON
is indicated on the display.
Up to the set time, the air conditioner
will automatically start and the
appropriate indicator will go o.
No receiving tone sounds from
the indoor unit even when the
ON/OFF button is pressed.
• Check whether the signal transmitter
of the remote controller is properly
directed to the infrared signal
receiver of the indoor unit when
the ON/OFF button is pressed.
Directly transmit the signal transmitter
of the remote controller to the
infrared signal receiver of the
indoor unit, and then repeatly push
the ON/OFF button twice.
7.2 Troubles and causes of remote controller
Before asking for serving or repairing, check the following points.
(see in Table 7-2)
16127000A15627 V.A
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