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29
Malfunction analysis
General analysis
Please check below items before asking for maintenance. If the malfunction
still can't be eliminated, please contact local dealer or qualified professionals.
Problem
Indoor unit
can't
receive
remote
control
signal or
remote
control
has no
power.
No air
flow
from
indoor
unit
All manuals and user guides at all-guides.com
Check items
Whether it's interfered severely
(such as static electricity,stable
voltage)?
Whether remote control is
within the signal receiving
range?
Whether there are obstacles?
Whether remote control
is pointing at the receiving
window?
Is the remote control display
fuzzy or there is no display
at all ?
No display when operating
the remote control?
Fluorescent lamp in the room?
Are air inlet or air outlet of in-
door unit blocked?
Under heating mode, indoor
temperature reached set
temperature?
Has the heating mode been
just turned on ?
Solution
Cut the power supply off and put
the power back after about 3min,
and then turn on the unit again.
Signal receiving range is 8m.
Remove obstacles.
Select proper angle and point
the remote control at the
receiving window on indoor
unit.
Check the batteries. If the
battery charge level is too low,
please replace them.
Check whether remote control
appears to be damaged.
If yes, replace it.
Bring the remote control
close to the indoor unit.
Turn off the fluoresent lamp
and then try it again.
Eliminate obstacles.
After reaching set temperature,
indoor unit will stop
blowing out air.
In heating mode, in order to pre-
vent blowing out cold air, indoor
unit will start several minutes
after the unit has been turned on,
which is normal.
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