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Malfunction
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
Indoor unit
can't receive
remote
controller's
signal or
remote
controller
has no action.
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 controll-
er low; fuzzy display and no
display?
● No display when operating
remote controller?
● Fluorescent lamp in room?
● Power failure?
● Is plug loose?
● Air switch trips off or fuse is
burnt out?
● Wiring has malfunction?
● Unit has restarted immediately
after stopping operation?
● Whether the function setting for
remote controller is 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 re-
ceiving window on indoor unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Check whether remote contr-
oller 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.
● wait until power recovery.
● Reinsert the plug.
● Ask professional to replace
air switch or fuse.
● Ask professional to replace it.
● Wait for 3min, and then turn
on the unit again.
● Reset the function.
20
Solution
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