22
7. DIAGNOSIS
WARNING
If one of the following phenomena occurs, stop the product immediately (OFF), unplug the electric
cable immediately (circuit-breaker) and contact the nearest approved technician.
The operating indicator "OPERATION" or other indicator on the display panel is flashing rapidly (5 times per second)
and this flashing persists even when the power is switched off and on again and the product has been left to operate
for more than 3 minutes after carrying out this action.
The fuses or the circuit breaker frequently trip.
Foreign matter or water has entered the product.
The remote control does not work or is functioning incorrectly.
Smoke, flames or a burning odour is emanating from the product.
If you encounter any of the following operational problems, you will save time and money if you check
the points indicated in the table before contacting a repair technician.
PROBLEM
CAUSES
EXPLANATION / ACTION
The fan speed can no longer be
adjusted with the remote control.
Check that the appliance is not in
AUTO or DRY mode.
In these 2 modes, the product
selects its own fan speed.
The infrared transmission
indicator is no longer appearing on
the remote control.
Check whether the remote control
batteries are inserted and that they are
not flat.
Insert batteries in the remote control
or change them.
The set temperature is no longer
appearing on the remote control.
Check whether the remote control
batteries are inserted and that they are
not flat.
Check whether the remote control is
programmed to be in fan only mode.
Insert batteries in the remote control
or change them.
In
fan
only
mode, the
set
temperature is not displayed.
The TIMER ON, TIMER OFF or
TIMER
ON
OFF
indicator
disappears from the remote control
display after a certain time has
elapsed.
Check whether the programmed
duration has elapsed.
Once the programmed duration has
elapsed, the indication disappears
from the remote control.
There is no BEEP sound from the
receiver to indicate that a signal is
received when the ON/OFF button
is pressed.
Ensure that the remote control
batteries are not flat.
Ensure that the remote control emitter
is correctly positioned towards the
receiver
and
that
there
are
no
obstructions between them.
Change the remote control batteries
if necessary.
Position the remote control correctly
towards the receiver and press
ON/OFF again.
None of the remote control
buttons are working.
The remote control processor is
blocked.
Press the reset button on the remote
control.
The product is not starting.
There is no electric current in the
building.
The product has been disconnected.
The fuses have blown.
The remote control batteries are flat.
The TIMER ON programming function
is selected and is preventing the product
from working.
Wait for the electricity supply to be
reconnected in the building.
Reconnect the product to the
electricity supply.
Replace the fuses.
Replace the remote control batteries.
Wait for the TIMER ON programme
to
end
or
cancel
the
TIMER
programme.
The product is not supplying
enough heat or cold even though
the indoor unit fan is working.
The set temperature is not suitable.
The mechanical air outlet vents are
almost closed.
The dust filters are clogged.
Doors or windows are open.
The air inlets of the indoor or outdoor
units are obstructed.
The
compressor
time
delay
mechanism (3 minutes) is in process.
Select
a
more
suitable
set
temperature.
Re-position the mechanical vent
using the remote control.
Clean the dust filters.
Close doors or windows.
Clear the unit's air inlets before
restarting the product.
Wait until the compressor time delay
has finished.
The indoor unit is not working in
cooling or dehumidifying mode (but
is working in heating mode).
If the product is a multisplit type
product and if one of the indoor units is
set to heating mode, none of the other
indoor units can function in cooling or
dehumidification modes.
Set all the multisplit indoor units to
either cooling, dehumidification, or to
stop.