Phenomenon Troubleshooting Solution
Set tempera-
ture can't be
adjusted.
● Whether the unit operates un-
der auto mode?
● Whether the required temper-
ature exceeds the temperature
setting range?
● Temperature can't be adjus-
ted
under auto mode.
● Temperature set-
ting range: 16°C-30°C .
● Whether air outlet or air inlet is
blocked?
● Under heating mode, whether
indoor temperature ireaches
set temperature?
● Whether heating mode is sta-
rted up just now?
● Whether evaporator is defros-
ted? (observe it by pulling out
● Eliminate the obstacles.
● The unit will stop blowing
fan after reaching set
temperature.
● In order to prevent cold air,
air conditioner will delay for a
while to be started up, which
is the normal phenomenon.
● It's the normal phenomenon.
Air conditioner is defrosting.
will resume operation.
No air flow
blowed
out
from air
conditioner
There's odor
odor odor
the room, such as furniture,
cigarette etc.
source.
There's abnor-
mal sound du-
ring operation
● Whether the unit is interfered
by thunder, radio, etc?
● Disconnect power, put thro-
ugh the power again, and
then turn on the unit again.
You can heard
sound
● Whether the unit is turned on
or turned off just now?
rigerant inside the air condit-
ioner, which is the normal
phenomenon.
You can heard
the sound of
"PAPA"
● Whether the unit is turned on
or turned off just now?
● Heat expansion or shrinkage
for the panel due to change
of temperature, which cause
friction sound.
17
Malfunction analysis
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