HOMCOM 823-028V70 Assembly Instructions Manual page 20

IX. Troubleshooting
Do not repair or disassemble the air conditioning by yourself. Unqualified repair will lead to
failure of the warranty card, and may cause damage to users or their properties.
Problems
The air conditioning does
not work.
The cooling effect is not
good
Big Noise
compressor does not work.
The remote control does
not work.
Reasons
There is no electricity.
The water-full indicator will flash.
The ambient temperature is too low
or too high
In cooling mode, the room
temperature is lower than the set
temperature; in heating mode, the
room temperature is higher than the
set temperature.
In dehumidification mode, the
ambient temperature is low.
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.
Frost production starts.
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 receiver.
Batteries are dead.
Turn it on after connecting it to a
socket with electricity.
Discharge the water inside.
Recommend to use the machine
in at the temperature of 7-35 ℃
(44-
Change the set temperature.
The machine is placed in a room
with an ambient temperature of
Pull the Curtain.
Close doors and windows, and
add new air conditioning.
Clean or replace the filter screen.
Clear obstructions.
Put the air conditioning on a flat
and hard place (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 direction of
the remote control receiver.
Replace batteries.
20
Solutions
℉
℃
℉