Haier HSU-09H03 User Manual - Page 8

Trouble shooting

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Trouble shooting Before asking for service, check the following first. Cautions Phenomenon The system does not restart immediately. Noise is heard Normal Performance inspection Smells are generated. Mist or steam are blown out. In dry mode, fan speed can't be changed. Multiple check Poor cooling 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.) During unit operation, a cracking noise may be heard.This noise is generated by the casing expanding or shrinking because of temperature changes. Should there be a big noise from air flow in unit operation, air filter may be too dirty. This is because the system circulates smells from the interior air such as the smell of furniture, paint, cigarettes. 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 becomeslower than temp.setting+2oC,unit will run intermittently at LOW speed regardless of FAN setting. Is power plug inserted? Is there a power failure? Is fuse blownout? Is the air filter dirty? Normally it should be cleaned every 15 days. Are there any obstacles before 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 much heat sources or too many people in the room during cooling operation? T1: Application temp. range of air conditioner -7oC~43oC. T3: Application temp. range of air conditioner -7oC~54oC. The machine is adaptive in following situation 1.Applicable ambient temperature range: For: T1 Cooling Indoor Maximum: D.B / W.B Minimum: D.B / W.B Maximum: D.B Outdoor Minimum: D.B Heating Indoor Maximum: D.B Minimum: D.B Outdoor Maximum: D.B / W.B Minimum: D.B / W.B 32oC/23oC 18oC/14oC 43oC/26oC 18oC 27oC 15oC 24oC/18oC -7oC/-8oC For: T3 Indoor Maximum: D.B / W.B 29oC/19oC Minimum: D.B / W.B 18oC/14oC Cooling Outdoor Maximum: D.B Minimum: D.B / W.B 54oC/24oC 18oC Heating Indoor Outdoor Maximum: D.B Minimum: D.B Maximum: D.B / W.B Minimum: D.B / W.B 27oC 15oC 24oC/18oC -7oC/-8oC 2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person. The type of connecting wire is H05RN-F or H07RN-F 3. If the fuse on PC board is broken please change it with a fuse type T. 3.15A/250V. If the fuse of outdoor unit on PC board is broken, please change it with the type of T. 25A/250V. 4.The distance between the indoor unit and the floor should be more than 2m. 5.The wiring method should be in line with the local wiring standard. 6. After installation, the power plug should be easily reached.. 7.The used batteries should be disposed of properly. 8.The appliance is not intended to use by young children or infirm persons without supervision. 9.Young children should be supervised ensure that they do not play with the appliance. 10.The appliance must be installed on a strong enough support. 11.The wiring diagram is attached inside the machine. 7

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Trouble shooting
7
Before asking for service, check the following first.
Normal
Performance
inspection
Noise is heard
Phenomenon
Cause or check points
The system does not restart
immediately.
Smells are generated.
Mist or steam are blown out.
Multiple
check
Poor cooling
Application temp. range of air conditioner -7
o
C~43
o
C.
When unit is stopped, it won't restart
elapsed to protect the system.
When the electric plug is pulled out
and reinserted, the protection circuit
During unit operation or at stop,
a swishing or gurgling noise may
(This noise is generated by
refrigerant flowing in the system.)
During unit operation, a cracking
noise may be heard.This noise is
temperature changes.
Should there be a big noise from
filter may be too dirty.
This is because the system
circulates smells from the interior
During COOL or DRY operation,
This is due to the sudden cooling
Is power plug inserted?
Is there a power failure?
Is fuse blownout?
Is the air filter dirty?
Are there any obstacles before
Is temperature set correctly?
Are there some doors or
Is there any direct sunlight
through the window during the
Are there too much heat sources
or too many people in the room
In dry mode, fan
speed can’t be changed.
In DRY mode, when room
than temp.setting+2
o
C,unit will
regardless of FAN setting.
Maximum: D.B
10.The appliance must be installed on a strong enough support.
9.Young children should be supervised ensure that they do not
play with the appliance.
8.The appliance is not intended to use by young children or infirm
persons without supervision.
7.The used batteries should be disposed of properly.
6.
After installation, the power plug should be easily reached..
5.The wiring method should be in line with the local wiring standard.
4.The distance between the indoor unit and the floor should be
more than 2m.
3. If the fuse on PC board is broken please change it with a fuse
type T. 3.15A/250V.
11.The wiring diagram is attached inside the machine.
2. If the supply cord is damaged, it must be replaced by the
manufacturer or its service agent or a similar qualified
person.
The type of connecting wire is H05RN-F or H07RN-F
Cautions
The machine is adaptive in following situation
1.Applicable ambient temperature range:
Cooling
Heating
Indoor
Outdoor
Outdoor
Indoor
Maximum: D.B / W.B
32
o
C/23
o
C
18
o
C/14
o
C
43
o
C/26
o
C
18
o
C
27
o
C
15
o
C
24
o
C/18
o
C
-7
o
C/-8
o
C
Minimum:
D.B / W.B
Minimum:
D.B
Maximum: D.B
Minimum:
D.B
Maximum: D.B / W.B
Minimum:
D.B / W.B
For:
T3
Cooling
Heating
Indoor
Outdoor
Indoor
Outdoor
Maximum: D.B / W.B
Minimum: D.B / W.B
Maximum: D.B / W.B
Minimum: D.B
Maximum: D.B
Minimum: D.B
Maximum: D.B / W.B
Minimum: D.B / W.B
29
o
C/19
o
C
18
o
C/14
o
C
54
o
C/24
o
C
18
o
C
27
o
C
15
o
C
24
o
C/18
o
C
-7
o
C/-8
o
C
For:
T1
during cooling operation?
cooling operation?(Use curtain)
windows left open?
inlet and outlet?
Normally it should be cleaned
every 15 days.
run intermittently at LOW speed
temperature becomeslower
indoor unit may blow out mist.
of indoor air.
air such as the smell of furniture,
paint, cigarettes.
air flow in unit operation, air
generated by the casing expanding
or shrinking because of
be heard.At first 2-3 minutes after
unit start, this noise is more noticeable.
will work for 3 minutes to protect the
air conditioner.
immediately until 3 minutes have
If the fuse of outdoor unit on PC board is broken, please change
it with the type of T. 25A/250V.
Application temp. range of air conditioner -7
o
C~54
o
C.
T1:
T3: