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Troubleshooting
10.2 Remote control operating problems and possible causes
Symptoms Causes Solution
The fan speed cannot be
adjusted.
Check if the indicated mode
on the display is “AUTO” (automatic).
If automatic mode is selected, the air
conditioner automatically adjusts the fan
speed.
Check if the mode shown on the display
is “DRY” (dehumidification)
If dry (dehumidification) mode is se-
lected, the air conditioner automatically
adjusts the fan speed. The fan speed
can be selected in “COOL”, “FAN” and
“HEAT” mode.
The remote control signal is not
transmitted, even if the ON/OFF
button is pressed.
Check that the remote control batteries
are not flat.
The appliance is switched o.
The TEMP. indicator does not
switch on.
Check if the mode shown on the display
is “FAN”.
The temperature cannot be set in fan
mode.
The indication on the display
disappears after a set time.
Check that the appliance has switched
o at the time shown on the switch-o
timer display (TIMER OFF function).
The air conditioner switches o at the set
time.
The switch-on timer indicator
(TIMER ON function) switches
o after a set time.
Check if the TIMER ON indication appe-
ars on the display.
At the time set with the timer, the air con-
ditioner will automatically switch on and
the corresponding indicator will switch
o.
The indoor unit does not emit
any sound, not even when the
ON/OFF button is pressed.
Check that the remote control signal
transmitter is correctly directed towards
the infrared signal receiver on the indoor
unit when the ON/OFF button is pressed.
Directly transmit the remote control
signal to the indoor unit signal receiver,
then press the ON/OFF button twice.
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