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Checked items before
maintenance
General phenomenon analysis
Please check below ite ms before asking for
maintenance. If the malfunction still can't be
eliminated, please contact local dealer or qualified
professionals.
Phenomenon
Check items
Whether it's interfered
severely (such as sta-
tic electricity, stable
voltage?)
Whether remote co-
ntroller is within the
signal receiving range?
Whether there are
Indoor unit
obstacles?
can't receive
remote co-
Whether remote co-
ntroller is pointing at
ntroller's si-
the receiving window?
gnal or remote
controller has
Is sensitivity of rem-
no action.
ote controller low;
fuzzy display or no
display?
No display when op-
erating remote cont-
roller?
Fluorescent lamp in
room?
Air inlet or air outlet
of indoor unit is
blocked?
Under heating mode,
indoor temperature is
No air
reached to set temp-
emitted
erature?
from indoor
unit
Heating mode is
turned on just now?
Power failure?
Is plug loose?
Air switch trips off
or fuse is burnt out?
Air
Wiring has malfunc-
conditioner
tion?
can't operate
Unit has restarted
immediately after
stopping operation?
Whether the function
setting for remote
controller is correct?
Mist is emi-
tted from
Indoor temperature
and humidity is high?
indoor unit's
air outlet
Solution
Pull out the plug.
Reinsert the plug after
about 3min, and then
turn on the unit again.
Signal receiving
range is 8m.
Remove obstacles.
Select proper angle
and point the remote
controller at the rece-
iving window on indoor
unit.
Check the batteries.
If th e powe r of batteries
is to o low , please rep-
lace them.
Take the remote con-
troller close to indoor
unit. Turn off the fluo-
rescent lamp and then
try it again.
Eliminate obstacles.
After reaching to set
temperature, indoor
unit will stop blowing
out air.
In order to prevent
blowing out cold air,
indoor unit will be
started after delaying
for several minutes,
which is a normal
phenomenon.
Wait until power
recovery.
Reinsert the plug.
Ask professional to
replace air switch or fuse.
Wait for 3min, and
then turn on the unit
again.
Reset the function.
Because indoor air
is cooled rapidly.
After a while, indoor
temperature and hu-
midity will be decrease
and mist will disappear.
12
Phenomenon
Check items
Whether there's od-
Odours are
our source, such as
furniture and cigare-
emitted
tte, etc.
Unit is operating un-
der auto mode?
Set tempe-
rature can't
be adjusted
Your required temp-
erature exceeds the
set temperature
range?
Voltage is too low?
Cooling
(heating)
Filter is dirty?
effect is
Set temperature is
not good.
in proper range?
Door and window
are open?
Whether there's inte-
Air conditi-
rference, such as
oner operates
thunder, wireless
abnormally
devices, etc.
Outdoor unit
Heating mode is
turned on?
has vapor
"Water
Air conditioner is
flowing"
turned on or turned
off just now?
noise
Air conditioner is
Cracking
turned on or turned
noise
off 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 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.
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.
Set temperature
range: 16℃~30 ℃.
Wait until the voltage
resumes normal.
Clean the filter.
Adjust temperature to
proper range.
Close door and
window.
Disconnect power,
put back power, and
then turn on the unit
again.
During defrosting
under heating mode,
it may generate vapor,
which is a normal
phenomenon.
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.
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