48
EN
TROUBLESHOOTING
To save the cost of a service call, please try the suggestions below to see if you can
solve your problem without outside help.
Problem Causes Solutions
Air condition will not
operate
The power switch is
released.
Power supply failure.
The fuse is burnt.
It doesn't reach the
setting time for starting
up.
Switch on the power.
Wait for the recovery of
power supply.
Replace the fuse by profes-
sional .
Wait or reset the original
setting.
Unit doesn't start
when pressing on/
off button
It is not four minutes
after switch off.
Room temperature is
lower than the setting
temperature under cool-
ing mode.
Wait four minutes.
Reset the setting tempera-
ture. Set a proper tempera-
ture, setting temperature
should be lower than ambi-
ent temperature.
The wind blowing
out, but the cooling
effect is bad
The air lter is blocked
by dust.
The air inlet or outlet of
machine blocked.
Turn the air conditioner
on in very hot room.
Cooling capacity is insuf-
cient.
The doors or windows
are open.
Clean the air lter.
Remove the obstruction.
Allow additional time to
remove stored heat from
walls, ceiling, oor and
furniture.
Reconrm the required
cooling capacity with your
dealer.
Close the doors and win-
dows.
Noise or vibration The ground is not level or
not at enough
Place the unit on a at, level
ground if possible.
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