Haier AD422BMBAA Installation And Operation Manual - When Troubles Occur
When Troubles Occur
If after the above checking and treatment, the air conditioner still can not
work normally, or find the following phenomena, please stop the operation
of the unit and contact the commissioned repair center.
The fuse or breaker often opens circuit.
During Cooling or Dehumidifying, there is water leakage.
Abnormal operation or abnormal sound is heard.
The operation indicator light on the wire controller flashes and trouble code
(E
0
, E
1
, ..., E
9
) appears on the screen to indicate the trouble of the air
conditioner.
Before asking the commissioned repair center for help, please check the air conditioner
according to the following items.
ON
OFF
Is the power
switch
connected?
If the city electric
power supply is
normal?
If the wire controller
is directly shined by
sunshine or affected
with damp.
If the earth
creepage breaker
works?
Please cut off
power
immediately and
contact with
suppler.
The power
switch is
not at ON
position.
The air conditioner can not start
Bad heating effect
Did you adjust the
controller as what
is specified?
If the air filter
is too dirty?
Are doors or
windows closed?
If the air inlet or outlet is
blocked by obstacles?
Bad cooling effect
If the air out louver is in horizontal?
(Heating mode)
If the air out louver is horizontal,
the warm air can not blow on the
floor.
The air conditioner does not blow air in
Heating operation, if it is in anti-cold air
state? Referring to page7.
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