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 professional person.
Phenomenon
Indoor unit can't
receive remote
controller's signal
or remote
controller has no
action.
No air emitted
from indoor unit.
Air conditioner
can't operate
Check items
Whether it's interfered severely
(such as static electricity, stable
voltage)?
Whether remote controller is
within the signal receiving range?
Whether there are obstacles?
Whether remote controller is
pointing at the receiving window?
Is sensitivity of remote controller
low; fuzzy display and no display?
No display when operating
remote controller?
Fluorescent lamp in room?
Air inlet or air outlet of indoor unit
is blocked?
In heating mode, indoor
temperature reached to seting
temperature?
Heating mode is turned on just
now?
Power failure?
Is plug loose?
Is circuit broken off or fuse burnt
out?
Wiring has malfunction?
Has unit restarted immediately
after stopping operation?
Whether the function setting for
remote controller correct?
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 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 seting 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.
Wait until power recovery.
Reinsert the plug.
Ask professional person to replace
circuit break or fuse.
Ask professional person to replace it.
Wait for 3min, and then turn on the
unit again.
Reset the function.
9
Solution