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Trouble Shooting - Haier HSU12VHG-G Operation Manual

Split type room
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Trouble shooting

Before calling for service, check the following
first.
Phenomenon
The system
does not restart
immediately.
Noise is heard
Normal
performance
inspection
Odors are present
Mist or steam are
blown out.
In dry mode, fan
speed can't be
changed.
Poor cooling
Multiple
check
Cause or check points
When unit is stopped, it won't restart
immediately until 3 minutes have
elapsed to protect the system.
When the electric plug is pulled out
and reinserted, the protection circuit
will work for 3 minutes to protect the
air conditioner.
During unit operation or at stop,
a swishing or gurgling noise may
be heard.At first 2-3 minutes after
unit start, this noise is more noticeable.
(This noise is generated by
refrigerant flowing in the system.)
Should there be a big noise from
air flow in unit operation, air
filter may be too dirty.
The system circulates any remaining
odors.
During COOL or DRY operation,
indoor unit may blow out mist.
This is due to the sudden cooling
of indoor air.
In DRY mode, when room temperature
becomes lower than temp.
o
setting+2
C,unit will run
intermittently at LOW speed
regardless of FAN setting.
Is the power chord correctly position in
the outlet?
Is there a power failure?
Has a fuse or circuit breaker been
tripped?
Is the air filter dirty?
Normally it should be cleaned
every 14 days.
Are there any obstacles in front of
inlet and outlet?
Is temperature set correctly?
Are there some doors or
windows left open?
Is there any direct sunlight
through the window during the
cooling operation?(Use curtain)
Are there too many heat sources or too
many people in the room during cooling?
Cautions
Do not obstruct or cover the ventilation
conditoner.Do not put fingers
inlet/outlet and swing louver.
Do not allow children to play with the air conditioner
case should children be allowed to sit on the outdoor unit.
Specifications
The refrigerating circuit is a sealed system.
The machine is adaptive in following situation
1.Applicable ambient temperature range:
Maximum:D.B/W.B
Indoor
Minimum:D.B/W.B
Cooling
Maximum:D.B/W.B
Outdoor
Minimum:
Maximum:D.B
Indoor
Minimum:
Heating
Maximum:D.B/W.B
Outdoor
Minimum:D.B/W.B
Maximum:D.B/W.B
Outdoor
Minimum:D.B
(INVERTER)
2. If the power supply cord is damaged, it must be replaced
manufacturer
or its service agent.
3. All electrical wiring must be done to applicable local and state codes.
4. An electrical outlet must be within distance of the indoor unit.
5. When replacing batteries, the batteries removed should be disposed
of properly.
6. Assure that the proper outlet is being used with the power cord.
7.
The power plug and connecting cable
attestation.
8. In order to protect the units,please turn off the unit first, wait 30
seconds and turn off the power.
grille of the air
or any objects into the
.In no
89.6
/73.4
67 /57
115 /75
D.B
67 /57
80.6
D.B
32
75
/65
19.4
75 /65
5
by the
must have
acquired the local
7

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