Phenomenon
Solution
Eliminate the odour
source. Clean the
filter.
Temperature can’t
be adjusted under
auto mode. Please
switch the operation
mode if you need to
adjust temperature.
Unit is operating un-
der auto mode?
Your required temp-
erature exceeds the
set temperature
range?
Whether remote co-
ntroller is within the
signal receiving range?
Voltage is too low?
Wait until the voltage
resumes normal.
Remove obstacles.
Select proper angle
and point the remote
controller at the rece-
iving window on indoor
unit.
Clean the filter.
Filter is dirty?
Whether remote co-
ntroller is pointing at
the receiving window?
Adjust temperature to
proper range.
Is sensitivity of rem-
ote controller low;
fuzzy display or no
display?
Check the batteries.
If th e powe r of batteries
is to o low , please rep-
lace them.
Whether there’s inte-
rference, such as
thunder, wireless
devices, etc.
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.
During defrosting
under heating mode,
it may generate vapor,
which is a normal
phenomenon.
Take the remote con-
troller close to indoor
unit. Turn off the fluo-
rescent lamp and then
try it again.
The noise is the sound
of refrigerant flowing
inside the unit, which is
a normal phenomenon.
Eliminate obstacles.
This is the sound of
friction caused by
expansion and or
contraction of panel
or other parts due to
the change of temp-
erature.
Under heating mode,
indoor temperature is
reached to set 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?
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.
■
Power failure?
Is plug loose?
Reinsert the plug.
●
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.
Air switch trips off
or fuse is burnt out?
Ask professional to
replace air switch or fuse.
Wiring has malfunc-
tion?
Ask professional to
replace it.
Unit has restarted
immediately after
stopping operation?
Wait for 3min, and
then turn on the unit
again.
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.
Whether the function
setting for remote
controller is correct?
Reset the function.
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
Indoor temperature
and humidity is high?
6
Check items
Whether there’s od-
our source, such as
furniture and cigare-
tte, etc.
Phenomenon
Odours are
emitted
Check items
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
Solution
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
Set tempe-
rature can’t
be adjusted
Set temperature
range: 16
℃
~30
℃
.
Signal receiving
range is 8m.
Whether there are
obstacles?
Indoor unit
can’t receive
remote co-
ntroller’s si-
gnal or remote
controller has
no action.
Cooling
(heating)
effect is
not good.
Set temperature is
in proper range?
Door and window
are open?
Close door and
window.
Air conditi-
oner operates
abnormally
Outdoor unit
has vapor
Heating mode is
turned on?
Fluorescent lamp in
room?
“Water
flowing”
noise
Air conditioner is
turned on or turned
off just now?
Air inlet or air outlet
of indoor unit is
blocked?
After reaching to set
temperature, indoor
unit will stop blowing
out air.
No air
emitted
from indoor
unit
Cracking
noise
Air conditioner is
turned on or turned
off just now?
Wait until power
recovery.
Air
conditioner
can’t operate
■
■
Mist is emi-
tted from
indoor unit’s
air outlet
●
●
●
●
professionals.
eliminated, please contact
local dealer or qualified
maintenance. If the malfunction
still can’t be
P leas e ch e c k below it e ms before asking for
General phenomenon analysis
F
irst
B
efore
M
aintenance
”
“
Check the
F
ollo
w
in
g
Items