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GB
28
Malfunction analysis
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.
Phenomenon Check items Solution
Indoor unit can’t receive
remote controller’s signal
or remote controller has no
action.
Whether it's interfered seve-
rely (such as static electricity,
stable voltage)?
Pull out the plug. Reinsert the
plug after about 3min, and
then turn on the unit again.
Whether remote controller
is within the signal receiving
range?
Signal receiving range is 8m.
Whether there are obstacles? Remove obstacles.
Whether remote controller
is pointing at the receiving
window?
Select proper angle and
point the remote controller
at the receiving window on
indoor unit.
Is sensitivity of remote con-
troller low; fuzzy display and
no display?
Check the batteries. If the
power of batteries is too low,
please replace them.
No display when operating
remote controller?
Check whether remote cont-
roller appears to be dama-
ged. If yes, replace it.
Fluorescent lamp in room? Take the remote controller
close to indoor unit.
Turn off the fluoresent lamp
and then try it again.
No air emitted from
indoor unit.
Air inlet or air outlet of indoor
unit is blocked?
Eliminate obstacles.
Under heating mode, indoor
temperature is reached to set
temperature?
After reaching to set temper-
ature, indoor unit will stop
blowing out air.
Heating mode is turned on
just now?
In order to prevent blowing
out cold air, indoor unit will
be started after delaying for
several minutes, which is a
normal phenomenon.
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