GB - 12
Diagnostic & Protections
Troubleshooting
Before carrying out verification by qualified service personnel, comparing the malfunction with those listed in the following table. You
could easily solve the problem by yourself.
TROUBLE
1: THE UNIT DOES NOT START
OPERATING WHEN THE 1/0
BUTTON IS PRESSED
2. THE UNIT DOES NOT COOL
THE ROOM ENOUGH
3. NOISE OR VIBRATION
4. GURGLING SOUNDS
FROM THE UNIT CAN BE HEARD
POSSIBLE REASON
The main switch is off.
The plug is not correctly inserted in the
socket
If the drain tank Red LED is flashing, the
water drain tank is full.
The room temperature is lower than the set
temperature (“COOL” mode).
The windows or doors in the room are not
close.
There are heating sources inside the room.
The exhaust air duct has not been
connected or it is obstructed.
Set temperature value is too high.
The air filter is blocked because of dust
inside it.
The ground is not level or not
flat enough.
The sounds comes from the flowing of the
refrigerant inside the air conditioner.
WHAT TO DO
Make sure the main switch is on.
Make sure the plug is correctly inserted in
the socket
Drain all the water from the drain tank.
Set the desired temperature correctly.
Make sure all the windows and doors are
closed.
Make sure all the windows and doors are
closedRemove all heating sources if
possible.
Connect the duct and make sure it can
function properly.
Decrease the set temperature value.
Clean the air filter.
Place the unit on a flat, level ground if
possible.
No real malfunction. This is normal.
Additional informations
The infrared remote control is supplied from
factory, with the temperatures displayed in
°
C.
It’s possible to buy as spare part a different
infrared remote control, with the
temperatures displayed in
°
F instead of
°
C.
In case you bought the remote in
°
F, it’s
needed to configure the unit control panel
by pressing together (one at time) the
temperature selection buttons (6). To
confirm the new configuration in
°
F, the LED
19 will be lighted.
To return in the mode
°
C, it’s enough by
pressing again the temperature selection
buttons (6). To confirm the new
configuration in
°
C, the LED 18 will be
lighted.
18
19
6