Please check below items before asking for maintenance. If the malfunction still
Phenomenon
Troubleshooting
Solution
Air conditioner
can't operate
Air conditioner
can't receive
signal from
remote contr-
oller or remote
controller is
not sensible.
Poor cooling
(heating)
● Power failure?
● Whether the unit is interfered
seriously (such as static pres-
sure, unstable voltage)?
● Whether remote controller is
within the receiving range?
● Whether it's blocked by obst-
acles?
● Is sensitivity of remote contr-
oller low?
lamp in the room?
● Is the power too low?
●
● Whether the set temperature is
proper?
● Whether door and window are
closed?
● Is plug loose?
● Whether the air switch is trip-
ped off or fuse is burnt?
●
● Whether the unit is restarted up
after stopping immediately?
● Wait after power recovery.
● Please pull out the plug. Ins-
ert the plug after about 3min,
and then turn on the unit.
● The receiving range of remote
controller is 8m. Do not exce-
ed this range.
● Remove the obstacles.
● Check the batteries of remote
controller. If the power is low,
please replace the batteries.
● Move the remote controller
close to air conditioner.
●
and try it again.
● Wait after voltage is resumed.
● Adjust the temperature.
● Close door and window.
● Reinsert the plug.
● Ask professional person to
replace air switch or fuse.
● Ask professional person to
replace circuit.
● Wait for 3min, and then turn
on the unit again.
1
6
Malfunction analysis
Is there malfunction for the
circuit?
