6.2. Troubles and causes of remote controller
Before asking for serving or repairing, check the following points. (Refer to the table below)
Trouble
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.
Cause
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.
Check whether the MODE indicated on
the display "AUTO
Check whether the MODE indicated on
the display is "DRY"
Check whether the signal transmitter of
the remote 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 remote controller is properly directed
to the infrared signal receiver of the indoor
unit when the ON/OFF button is pressed.
50
Solutions