Phenomenon
Checked items before
maintenance
Solution
Eliminate the odour
source. Clean the
filter.
Unit is operating un-
der auto mode?
Your required temp-
erature exceeds the
set temperature
range?
Voltage is too low?
Wait until the voltage
resumes normal.
Remove obstacles.
Whether remote co-
ntroller is within the
signal receiving range?
Temperature can’t
be adjusted under
auto mode. Please
switch the operation
mode if you need to
adjust temperature.
Filter is dirty?
Clean the filter.
Adjust temperature to
proper range.
Is sensitivity of rem-
ote controller low;
fuzzy display or no
display?
Whether remote co-
ntroller is pointing at
the receiving window?
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.
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.
Take the remote con-
troller close to indoor
unit. Turn off the fluo-
rescent lamp and then
try it again.
During defrosting
under heating mode,
it may generate vapor,
which is a normal
phenomenon.
Whether there’s inte-
rference, such as
thunder, wireless
devices, etc.
Eliminate obstacles.
The noise is the sound
of refrigerant flowing
inside the unit, which is
a normal phenomenon.
Under heating mode,
indoor temperature is
reached to set temp-
erature?
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.
Heating mode is
turned on just now?
■
Power failure?
Is plug loose?
●
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.
Reinsert the plug.
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.
Air switch trips off
or fuse is burnt out?
Wiring has malfunc-
tion?
Unit has restarted
immediately after
stopping operation?
Wait for 3min, and
then turn on the unit
again.
Ask professional to
replace air switch or fuse.
Ask professional to
replace it.
Reset the function.
Whether the function
setting for remote
controller is correct?
1
7
Indoor temperature
and humidity is high?
Check items
Whether there’s od-
our source, such as
furniture and cigare-
tte, etc.
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.
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
Phenomenon
Check items
Odours are
emitted
Solution
Set tempe-
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
rature can’t
Set temperature
Signal receiving
range is 8m.
Whether there are
be adjusted
obstacles?
range:16°C~30°C
(61°F~86°F).
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.
Indoor unit
can’t receive
remote co-
ntroller’s si-
no action.
gnal or remote
controller has
Cooling
(heating)
effect is
Set temperature is
in proper range?
Door and window
are open?
not good.
window.
Close door and
Air conditi-
oner operates
abnormally
Outdoor unit
has vapor
Fluorescent lamp in
room?
Heating mode is
turned on?
“Water
Air conditioner is
flowing”
turned on or turned
off just now?
noise
Air inlet or air outlet
of indoor unit is
blocked?
After reaching to set
No air
emitted
from indoor
unit
Cracking
Air conditioner is
turned on or turned
off just now?
temperature, indoor
unit will stop blowing
out air.
noise
Wait until power
Air
recovery.
conditioner
■
■
can’t operate
Mist is emi-
tted from
indoor unit’s
●
●
●
●
air outlet
