Phenomenon
Solution
Checked items before
maintenance
Eliminate the odour
source. Clean the
filter.
Unit is operating un-
der auto mode?
Voltage is too low?
Your required temp-
erature exceeds the
set temperature
range?
Wait until the voltage
resumes normal.
Remove obstacles.
Filter is dirty?
Clean the filter.
Adjust temperature to
proper range.
Is sensitivity of rem-
ote controller low;
fuzzy display or no
display?
Disconnect power,
put back power, and
then turn on the unit
again.
No display when op-
erating remote cont-
roller?
Whether remote co-
ntroller is within the
signal receiving range?
Check whether rem-
ote controller appears
to be damaged. If yes,
replace it.
Whether remote co-
ntroller is pointing at
the receiving window?
Eliminate obstacles.
Take the remote con-
troller close to indoor
unit. Turn off the fluo-
rescent lamp and then
try it again.
Temperature can’t
be adjusted under
auto mode. Please
switch the operation
mode if you need to
adjust temperature.
Under heating mode,
indoor temperature is
reached to set temp-
erature?
■
Select proper angle
and point the remote
controller at the rece-
iving window on indoor
unit.
Check the batteries.
s
e
ir
e
tt
a
b
f
o
r
e
w
o
p
e
h
t
fI
is to o low , please rep-
lace them.
●
Power cord is overheating or damaged.
There’s abnormal sound during operation.
Air switch trips off frequently.
Air conditioner gives off burning smell.
Indoor unit is leaking.
Power failure?
Whether there’s inte-
rference, such as
thunder, wireless
devices, etc.
Wiring has malfunc-
tion?
Unit has restarted
immediately after
stopping operation?
Wait for 3min, and
then turn on the unit
again.
Is plug loose?
The noise is the sound
of refrigerant flowing
inside the unit, which is
a normal phenomenon.
Reset the function.
Check items
Whether the function
setting for remote
controller is correct?
Indoor temperature
and humidity is high?
This is the sound of
friction caused by
expansion and or
contraction of panel
or other parts due to
the change of temp-
erature.
In order to prevent
blowing out cold air,
indoor unit will be
started after delaying
for several minutes,
which is a normal
phenomenon.
Check items
Solution
Heating mode is
turned on just now?
Whether there’s od-
our source, such as
furniture and cigare-
tte, etc.
Reinsert the plug.
Phenomenon
Air switch trips off
or fuse is burnt out?
Odours are
emitted
Ask professional to
replace air switch or fuse.
Set tempe-
Ask professional to
replace it.
Signal receiving
range is 8m.
Whether there are
obstacles?
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
rature can’t
be adjusted
no action.
Indoor unit
can’t receive
Do not repair or refit the air conditioner by yourself.
If the air conditioner operates under abnormal
conditions, it may cause malfunction, electric
shock or fire hazard.
remote co-
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
ntroller’s si-
Set temperature is
in proper range?
gnal or remote
Door and window
are open?
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
controller has
Cooling
(heating)
effect is
not good.
window.
Fluorescent lamp in
room?
Close door and
Air conditi-
abnormally
Air conditioner is
oner operates
turned on or turned
off just now?
Air inlet or air outlet
of indoor unit is
“Water
blocked?
noise
flowing”
No air
Air conditioner is
turned on or turned
emitted
off just now?
unit
After reaching to set
from indoor
Cracking
■
■
noise
Air
Wait until power
recovery.
1
5
conditioner
can’t operate
Mist is emi-
tted from
●
●
●
●
indoor unit’s
air outlet
General phenomenon analysis
Please check below items before asking for
maintenance. If the malfunction still can’t be
eliminated, please contact local dealer or qualified
professionals.
WARNING
When below phenomenon occurs,please turn
off air conditioner and disconnect power immedi-
ately, and then contact the dealer or qualified
professionals for service.
temperature, indoor
unit will stop blowing
out air.
Set temperature range:
16
℃
~30
℃（
61
℉
~86
℉）
