Haier AD422BMBAA Installation And Operation Manual - Troubleshooting
Troubleshooting
14
The following phenomena are not troubles
Symptom
Cause
Hear the sound
of water flow
When the air conditioner is started; during operation
the compressor starts or stops; or when the unit is
stopped; sometimes it gives the sound of ìHua,
Huaî or ìGudu, Guduî. This is the sound of the
refrigerant circulation, not trouble.
It is caused by the hot expansion and cold shrink of
the plastic part.
Gives ìPi, Paî sound
Having peculiar smell
Sometimes the air sent from the indoor has peculiar smell,
the smell is what the cigarette smoke naturally has or caused
by the inner paint of the unit.
During operation,
the indoor
unit
produces mist.
D u r i n g C O O L I N G
o p e r a t i o n , t h e m o d e
changes from AUTO to
FAN.
After stopping the
unit, it can not start
immediately.
To prevent the frost from forming on the indoor unit heat
exchanger, sometimes the unit will automatically change
to FAN mode, but sooner it will resume to COOLING mode.
Even the operation button is set on ON, within 3 minutes
after the unit stops, Cooling, Dehumidifying or Heating
mode can not start. It is because the self-protection of the
system.
(In this 3 minutes,
the air conditioner is in Fan mode)
During
DEHUMIDIFYING, there
is no air blown out or the
FAN SPEED can not be
changed.
In DEHUMIDIFYING operation, when the room
temperature is too low, the fan motor will automatically
and repeatedly drop the fan speed
During operation, the
operation mode changes to
Auto.
Whether choosing Auto mode?
In Auto mode, according to room temperature, the operation
mode will automatically change Cooling to Heating, vice
versa.
During COOLING or DEHUMIDIFYING, you may see
the unit produces whiffs of light mist. It is caused by the
sudden cold indoor air blown out from the unit producing
condensation mist.
Hua, Hua
Wait three
minutes
The air conditioner
does not start?