Phenomenon
Solution
Checked items before
maintenance
Eliminate the odour
source. Clean the
filter.
Voltage is too low?
Wait until the voltage
resumes normal.
Your required temp-
erature exceeds the
set temperature
range?
Filter is dirty?
Clean the filter.
Adjust temperature to
proper range.
Disconnect power,
put back power, and
then turn on the unit
again.
Whether there’s inte-
rference, such as
thunder, wireless
devices, etc.
Disconnect the power
for 3s and then connect
the power; if the problem
still exits, disconnect the
power, reinstall the air
guide louver (install the
upper air guide louver
and then install the lower
air guide louver) and
then connect the power.
The noise is the sound
of refrigerant flowing
inside the unit, which is
a normal phenomenon.
This is the sound of
friction caused by
expansion and or
contraction of panel
or other parts due to
the change of temp-
erature.
Check items
Whether there’s od-
our source, such as
furniture and cigare-
tte, etc.
Odours are
emitted
Set tempe-
Set temperature
range: 16
℃
~30
℃
.
rature can’t
be adjusted
Cooling
Set temperature is
in proper range?
Door and window
are open?
(heating)
effect is
not good.
window.
Close door and
Air conditi-
abnormally
oner operates
Air conditioner is
turned on or turned
“Water
off just now?
flowing”
noise
Air conditioner is
Whether the air
guide louver has
been adjusted?
turned on or turned
Air guide
louver can’t
be closed
normally
off just now?
Cracking
noise
13
Remove obstacles.
Is sensitivity of rem-
ote controller low;
fuzzy display or no
display?
Whether remote co-
ntroller is within the
signal receiving range?
Whether remote co-
ntroller is pointing at
the receiving window?
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.
Select proper angle
and point the remote
controller at the rece-
iving window on indoor
unit.
Eliminate obstacles.
Check the batteries.
If the power of batter s
e
i
o
l
is too w, please rep-
lace them.
Under heating mode,
indoor temperature is
reached to set temp-
erature?
Power failure?
Is plug loose?
In order to prevent
blowing out cold air,
indoor unit will be
started after delaying
for several minutes,
which is a normal
phenomenon.
Wiring has malfunc-
tion?
Unit has restarted
immediately after
stopping operation?
Wait for 3min, and
then turn on the unit
again.
Heating mode is
turned on just now?
Reinsert the plug.
Reset the function.
Whether the function
setting for remote
controller is correct?
Indoor temperature
and humidity is high?
Air switch trips off
or fuse is burnt out?
Check items
Solution
Ask professional to
replace air switch or fuse.
Phenomenon
Ask professional to
replace it.
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
Signal receiving
range is 8m.
Whether there are
obstacles?
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
Indoor unit
can’t receive
no action.
remote co-
ntroller’s si-
gnal or remote
controller has
Fluorescent lamp in
room?
Air inlet or air outlet
of indoor unit is
blocked?
No 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.
emitted
After reaching to set
from indoor
unit
Air
Wait until power
recovery.
conditioner
can’t operate
Mist is emi-
tted from
temperature, indoor
unit will stop blowing
out air.
indoor unit’s
air outlet
■
●
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.
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.
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.
