Troubleshooting - Rotel U790CH1 Mode D'emploi

• TROUBLESHOOTING

Problem
The air conditioner
does not work
The cooling effect
is not good
The device is very
noisy
The compressor
does not work
The remote con-
trol does not work
Displays 'E1'
Displays 'E2'
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.
Gebrauchsanweisung ○ Mode d'emploi ○ Istruzioni per l'uso ○ Instructions for use
Reasons
There is no electricity
The overflow indicator displays FL
The ambient temperature is too low or
too high?
In cooling mode, the room tempera-
ture is lower than the set temperature
There is direct sunlight
Doors or windows are open; there are
a lot of people; or in cooling mode,
there are other sources of heat
The filter screen is dirty
The air inlet or outlet is blocked
The air conditioning is not placed on a
flat surface
Overheat protection starts
The distance between the machine and
the remote control is too far
The remote control is not aligned with
the direction of the remote-control re-
ceiver
Pipe temperature sensor failure
Room temperature sensor failure
Solutions
Turn it on after connecting it to
a socket with electricity.
Discharge the water inside.
Recommended temperature
range to use the machine:
7-35 ℃
Change the set temperature
Pull the curtains
Close doors and windows, and
add new air conditioner
Clean or replace the filter
screen
Clear obstructions
Put the air conditioning on a
flat and hard floor (to reduce
noise)
Wait for 3 minutes until the
temperature is lowered, and
then restart the machine
Let the remote control get
close to the air conditioning,
and make sure that the remote
control directly faces to the di-
rection of the remote-control
receiver
Check the pipe temperature
sensor and related circuitry
Check the room temperature
sensor and related circuitry
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