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Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the problem still
can't be solved, please contact dealer or professional person.
Phenomenon
Troubleshooting
Solution
Air conditioner
can't operate
● Power failure?
● Wait after power recovery.
● Is plug loose?
● Reinsert the plug.
● Whether the air switch is tripped
off or fuse is burnt?
●
Ask professional person to replace
air switch or fuse.
● Is there's malfunction for the
circuit?
●
Ask professional person to replace
circuit.
● Whether the unit is restarted up
after stopping immediately?
● Wait after voltage is resumed.
● The protection device for the
plug of power cord tripps off?
● Please press reset button on plug
again. If the power tripps off again
and heard a sound, there's malfu-
nction for the plug or the unit.
Please contact after-sales mainte-
nance person.
Poor cooling
(heating)
● Is the power too low?
● Wait after voltage is resumed.
● Whether the air filter is too dirty? ● Clean the air filter.
● Whether the set temperature is
proper?
● Adjust the temperature.
● Whether door and window are
closed?
● Close door and window.
Air conditioner
can't receive
signal from
remote controller
or remote
controller is not
sensible.
● Whether the unit is interfered
seriously (such as static pressure,
unstable voltage)?
● Please pull out the plug. Insert the
plug after about 3min, and then
turn on the unit.
● Whether remote controller is
within the receiving range?
● The receiving range of remote
controller is 8m. Do not exceed
this range.
● Whether it's blocked by
obstacles?
● Remove the obstacles.
● Is sensitivity of remote controller
low?
● Check the batteries of remote
controller. If the power is low,
please replace the batteries.
● Whether there's fluorescence
lamp in the room?
● Move the remote controller close
to air conditioner.
● Turn off the fluorescence lamp
and try it again.
