Phenomenon
Troubleshooting
Solution
Set tempera-
ture can't be
adjusted.
● Whether the unit opera
tes 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?
● W
hether 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 ai
r
,
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 powe
r
, 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 of
f 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 of
f just now?
●
Heat expansion or shrinkage
for the panel due to change
of temperature, which cause
friction sound.
17
Malfunction analysis
