Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
Phenomenon Check items Solution
Indoor unit
can’t receive
remote
signal or
remote
controller’s
controller
has no
action.
●
● Whether remote controller is
Whether it's interfered severely
(such as static electricity, stable
voltage)?
within the signal receiving
range?
● Whether there are obstacles?
● Whether remote controller is
●
pointing at the receiving
window?
Is sensitivity of remote contro-
ller low; fuzzy display and no
display?
●
●
No display when operating
remote controller?
Fluorescent lamp in room?
●
●
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-
Take the remote controller
close to indoor unit.
and then try it again.
If yes, replace it.
roller appears to be damaged.
No air
emitted
indoor
from
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 bl-
owing out air.
●
Heating mode is turned on just
now?
eral minutes, which is a nor-
mal phenomenon.
In order to prevent blowing
out cold air, indoor unit will be
started after delaying for sev-
28
Turn off the fluorescent lamp
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