1 Fuse or breaker often breaks off .
2 Power wires are excessively hot .
3.
Covering of power wires is broken .
4
.
Switch works well.
5
.
Abnormal noise is heard during operation .
Pull out power plug immediately and inform to your distributor in the following situations:
.
.
If the following cases happen, do not worry, for them being not faults:
Phenomena
Phenomena analysis
The air conditioner can not be
restarted just after shutting down
The unit delays running for 3 minutes after stopping for protection. The three-
minute protection timer built-in micro-computer works automatically, but it is
not for the case when the unit is powered first time.
The air conditioner does not supply air
at the beginning of heating.
The air conditioner does not supply air to avoid of blowing cold air until the
indoor heat exchanger is warm(2-5minutes).
The air conditioner does not supply air
after it has running for 5-10 minutes in
heating mode.
The air conditioner enters defrost mode automatically when the outdoor temp.
Is quite low or the humidity is too high, so please wait for a moment. Besides,
during defrosting, some moisture or steam will come out from the outdoor unit.
The air conditioner does not supply air in
dehumidifying mode.
Sometimes, the fan of indoor unit will stop running to prevent the condensate
from evaporating and save energy.
The air conditioner blows out the moisture
in cooling mode.
This is caused by too high temperature and humidity of the room. It will
eliminate when the temperature and humidify reduces.
The air blown out is smelly.
The air blown out is smelly during operating, it may come from the tobacco or
other cosmetics sticked to the inner of the air conditioner.
Squeak is heard from the unit
Crack is heard from the unit
This is caused by the circulating refrigerant inside the unit.
This is caused by heat expansion or contraction of plastics
When the power restores, the air
conditioner can not run
This is because the memory circuit of the microcomputer is cleared. Please
start the air conditioner through the remote controller.
The air conditioner can not receive the
signal from the remote controller.
It may happen when the signal receiver of the air conditioner is exposed to
sunlight or strong light directly or the batteries are used up. In that case,
eliminate those factors or change the batteries.
There is some drop on the air outlet and
the grille.
The air outlet and the grillemoisture will condense when the air conditioner
is operated in humid environment for a long time, please adjust the grille and
the vane to the position which is in paralle with the wind supply direction and
select "High speed" mode to improve the condensing phenomena.
TROUBLESHOOTING
8
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1 Malfunction analysis
27
