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Malfunction 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
doesn’t seem
to work.
● Whether it's interfered
severely (such as static
electricity, stable voltage)?
● Switch the power off. After
about 3min, switch the unit
on 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
controller 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
controller appears to be
damaged. 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
temperature, 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.
General phenomenon analysis
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