Gebrauchsanweisung ○
Mode d
’
emploi
○
Istruzioni per l
’
uso
○
Instructions for use
60
•
TROUBLESHOOTING
Problem
Reasons
Solutions
Displays ‘E1’
Pipe temperature sensor fail-
ure
Check the pipe temperature
sensor and related circuitry.
Displays ‘E2’
Room temperature sensor
failure
Check the room temperature
sensor and related circuitry.
Displays ‘E4’
Anti-freezing protection
The ambient temperature
must exceed 8°C.
The air conditioner does not
work
There is no electricity
Turn it on after connecting it
to a socket with electricity.
The overflow indicator dis-
plays FL
Discharge the water inside.
The cooling effect is not good
There is direct sunlight
Pull the curtains
Doors or windows are open;
there are a lot of people; or in
cooling mode, there are other
sources of heat
Close doors and windows,
and add new air conditioner
The filter screen is dirty
Clean or replace the filter
screen
The air inlet or outlet is
blocked
Clear obstructions
The device is very noisy
The air conditioning is not
placed on a flat surface
Put the air conditioning on a
flat and hard floor (to reduce
noise)
The compressor does not
work
Overheat protection starts
Wait for 3 minutes until the
temperature is lowered, and
then restart the machine
o
Do not repair or disassemble the air conditioner by yourself. Unqualified repair will
lead to failure of the warranty card, and may cause damage to users or their properties.
o
If problems not listed in the table occur or recommended solutions do not work, seek
for professional advice.