Phenomenon
Solution
Checked items before
maintenance
Voltage is too low?
Eliminate the odour
source. Clean the
filter.
Wait until the voltage
resumes normal.
Remove obstacles.
Filter is dirty?
Clean the filter.
Your required temp-
erature exceeds the
set temperature
range?
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?
Check whether rem-
ote controller appears
to be damaged. If yes,
replace it.
Eliminate obstacles.
Take the remote con-
troller close to indoor
unit. Turn off the fluo-
rescent lamp and then
try it again.
Whether remote co-
ntroller is within the
signal receiving range?
Whether remote co-
ntroller is pointing at
the receiving window?
Under heating mode,
indoor temperature is
reached to set temp-
erature?
th
to
i
If
s
e p
o
Check the batteries.
lo
ow
w ,
b
f
o
r
e
please rep-
lace them.
atteries
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.
Wiring has malfunc-
tion?
Unit has restarted
immediately after
stopping operation?
Wait for 3min, and
then turn on the unit
again.
Power failure?
Is plug loose?
Select proper angle
and point the remote
controller at the rece-
iving window on indoor
unit.
Reset the function.
Check items
Whether the function
setting for remote
controller is correct?
Indoor temperature
and humidity is high?
Whether there’s inte-
rference, such as
thunder, wireless
devices, etc.
Check items
Solution
The noise is the sound
of refrigerant flowing
inside the unit, which is
a normal phenomenon.
Whether there’s od-
our source, such as
furniture and cigare-
tte, etc.
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.
Phenomenon
Heating mode is
turned on just now?
Reinsert the plug.
Odours are
emitted
Set tempe-
Air switch trips off
or fuse is burnt out?
Set temperature
Signal receiving
range is 8m.
Whether there are
obstacles?
range:16°C~30°C.
Ask professional to
replace air switch or fuse.
rature can’t
Ask professional to
replace it.
no action.
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
be adjusted
Indoor unit
can’t receive
Set temperature is
in proper range?
remote co-
Door and window
are open?
ntroller’s si-
gnal or remote
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.
controller has
Cooling
(heating)
effect is
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
Fluorescent lamp in
room?
not good.
window.
Air conditioner is
Close door and
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
Air conditi-
turned on or turned
abnormally
oner operates
off just now?
Air inlet or air outlet
of indoor unit is
blocked?
“Water
noise
Air conditioner is
turned on or turned
flowing”
off just now?
No air
emitted
unit
from indoor
Cracking
After reaching to set
noise
Air
Wait until power
recovery.
conditioner
can’t operate
Mist is emi-
tted from
indoor unit’s
air outlet
temperature, indoor
unit will stop blowing
out air.
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.
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