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Table 8-2
Symptoms
Causes
Solution
Check whether the MODE
When the automatic mode is
indicated on the display is
selected, the air conditioner will
"AUTO"
automatically change the fan
The fan speed cannot be
changed.
speed.
Protection against hot wind in
Reduce the temperature of inlet in
cooling mode.
cooling mode rise the temperature of
Protection against cold wind in
inlet in heating mode.
heating mode.
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 off.
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
Check whether the timer
The air conditioner operation will
disappears after a lapse of
operation has come to an
stop up to the set time
time.
end when the TIMER OFF
is indicated on the display.
Check whether the timer
Up to the set time, the
The TIMER ON indicator
goes off after a lapse of
certain time.
operation is started when
the TIMER ON is indicated
on the display.
air conditioner will automatically
start, and the appropriate
indicator will go off.
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
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.
ON/OFF button is pressed.
8


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