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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
● Whether it's interfered
● Whether remote controller
● Whether there are obstacles? ● Remove obstacles.
Indoor unit
● Whether remote controller
can't receive
remote
controller's
signal or
● Is sensitivity of remote
remote con-
troller has no
action.
● No display when operating
● Fluorescent lamp in room?
● Air inlet or air outlet of indoor
● Under heating mode, indoor
No air
emitted from
● Heating mode is turned on
indoor unit
Check items
severely (such as static
electricity,stable voltage)?
is within the signal receiving
range?
is pointing at the receiving
window?
controller low; fuzzy display
and no display?
remote controller?
unit is blocked?
temperature is reached to set
temperature?
just now?
● Pull out the plug. Reinsert the
plug after about 3 min, and
then turn on the unit again.
● Signal receiving range is 8m.
● Select proper angle and point
the remote controller at the
receiving window on indoor
unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Check whether remote
controller appears to be
damaged.
If yes, replace it.
● Take the remote controller
close to indoor unit.
● Turn off the fluoresent 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.
15
Solution
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