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7.2. Troubles and causes of wire controller
Before asking for serving or repairing , check the following points. (Refer to Table 7-3)
Table 7-3
Symptoms
The fan speed can not be
changed.
The wire 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
No receiving tone sounds
from the indoor unit even
when the ON/OFF button is
pressed.
Solution
•
Check whether the
MODE
indicated on the display
is
"AUTO"
•
Check whether the
MODE indicated on the
display is "DRY"
•
Check whether the signal
transmitter of the wire
controller is properly
directed to the infrared
signal receiver
of the indoor unit.
•
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 wire
controller is properly
directed
to the infrared signal
receiver
of the indoor unit when the
ON/OFF button is pressed.
Causes
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 wire controller to the
infrared signal receiver of the
indoor unit, and t h n repeatly
push the ON/OFF button twice.
owner's manual
11
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