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21
15. TROUBLE
SHOOTING
TROUBLE
REASON
ACTION
After batteries have been placed
into the remote control, the
display is not lit.
Batteries are exhausted or have
the wrong polarity.
Replace batteries or check
polarity.
When pressing the recessed
clock adjustment button, hour
figures on display do not flash.
Recessed button has not been
pressed correctly.
Press with a round point, avoid
exerting strong pressure
Recessed button for time setting
is blocked due to excessive
pressure during use.
Check and repair.
When pressing any button, all
symbols appear on display.
Remote control has been
irreversibly damaged.
Replace with a new one.
Main switch is OFF.
Switch it to ON position.
Remote control batteries are
exhausted.
Replace batteries.
Remote control has not been
pointed correctly to the receiver
of indoor unit.
Turn remote control OFF and
repeat the operation in the
correct direction.
There are obstacles (curtains,
walls, etc.) between the remote
control and the indoor unit
Repeat the operation after having
removed the obstacles.
Receiver on the indoor unit or the
remote control is under intense
sun radiation.
Avoid direct sun on the unit, shut
curtains or shades.
When pressing start button, unit
does not acknowledge signal
with a beep.
OR
When pressing stop button, unit
does not acknowledge signal
with a beep.
OR
When pressing any function
button, the remote control shows
the function requested on the
display, but unit does not
acknowledge signal receipt with
a beep and does not carry out
the function.
Signal transmission is
obstructed by severe
interference from an
electromagnetic field.
Avoid sending signals when
computers or household
appliances (Food processors,
coffee makers, etc.) are operating
close by cellular or cordless
telephones may also interfere
with the control.
Main supply switch is OFF
Switch to ON
Fuses or main switch are blown Replace fuses
Protection against frequent
compressor cycling is ON
Wait for 3 minutes.
Air conditioner will not start.
Selected temperature is higher
than the room temperature in the
cooling mode (or lower in the
heating mode).
Correct selected temperature.
