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
● 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
blowed
out from air
conditioner
There's off
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.
1
7
Malfunction analysis
indoor temperature increase
set temperature?
