haier AB422BCBAA - Manual (Page 21)

Troubleshooting
The following phenomena are not troubles
Symptom Cause
The unit does
not work
The unit
blows out
mist.
T h e u n i t
g i v e s o u t
noise
T h e u n i t
b l o w s o u t
dust
The unit gives
out smells.
Immediately operate the
unit after its stop. 3 minutes later, the unit will
automatically operate.
In COOLING operation,
when the ambient humidity
is too high. (the content of
oil or dust is too much in
the room.)
When the inner of the indoor unit is
not clean, the temperature fluctuation
may occur.
A f t e r f i n i s h i n g
D E F R O S T I N G , t h e
HEATING operation starts.
The removed frost rises in vapor state.
I n C O O L I N G o r
DEFROSTING, there is
continuous ìSi, Siî noise. This is the refrigerant gas flowing sound
in the air conditioner.
When the unit is started,
s t o p p e d a n d w h e n
DEFROSTING starts or
stops, there is the ìSi, Siî
sound.
It is generated when the refrigerant
stops flow or changes flow.
In operation or after
operation, there is a
continuous ìSi, Siî sound.
In operation or after
operation, a ìGaZhiî sound
is generated. Because of the temperature change, It
is caused by the hot expansion and cold
shrink
of the resin parts.
After a long-time out of
use, the unit is started. The dust in the indoor unit assembly
is blown out.
In operation.
The smells or the cigarette smell
absorbed in indoor unit are blown out.
In DEHUMIDIFYING, no air
sent out or cannot change the
fan speed.
In DEHUMIDIFYING operation, when the room
temperature is 2* higher than the set temperature,
despite of the set FAN SPEED the air conditioner
will operate in LOW FAN SPEED.
It is the operation sound of the drainage
system. (in COOLING operation, the
drainage system drains in indoor side.)
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