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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 severely
● Whether remote controller is
● Whether there are obstacles?
Indoor unit
can't receive
● Whether remote controller is
remote
controller's
signal or
● Is sensitivity of remote contro-
remote
controller
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 just
indoor
unit
Check items
(such as static electricity, stable
voltage)?
within the signal receiving
range?
pointing at the receiving
window?
ller low; fuzzy display and no
display?
remote controller?
unit is blocked?
temperature is reached to set
temperature?
now?
● 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 re-
ceiving window on indoor unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Check whether remote cont-
roller 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 temper-
ature, indoor unit will stop bl-
owing out air.
● In order to prevent blowing
out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.
88
Solution
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