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