Haier LMD7023PBBP User manual

Twin-tub washing machine
M
●
odel:LMD7023PBBP
SERVICE MANUAL
This ser
●
vice information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians.Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death`
WARNING
C2016 Haier washing Machine
All rights reserved. Unauthorized copying anddistribution is a violation of law.
Order NO.TL1710S006V1.1
All manuals and user guides at all-guides.com
all-guides.com

Chapter 1: CONTENTS
●
1
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Features
Full plastic cabinet
Full plastic twin-tub integrated with cabinet,
no rustiness for be affected with damp.
Choose water current and washing time
Choose spinning time
●
Separate washing and spinning
Full plastic washing tub and spinning tub
●
Concavo-convex on veins in Tub side
Special drain lid
Wide range voltage design,not be afraid of fluctuating.
Unique Wash-board design ,more clean
Chapter 2: FEATURES
2
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Chapter 3: SPECIFICA TIONS
3
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Model LMD7023PBBP
Free standing
xrednutliuB
EAN code 6901570089980
Energy efficiency class
Features for use
gkyticapachsaW 7.0
gkyticapacnipS 4.5
LemuloV/leveL
xHteserP
%ssenpmadlaudiseR <115
tledomlortnoC
●
im er
xrellortnoc
Normal c omputerized x
Fuzzy computerized x
Frequency conversio
●
xn
Service fe atures
Programs 2
xelcyctrohS
xtcelesgnitaehtelnI
Heating selection x
Spinning cycle (selector) x
x)elbairav(elcycgninnipS
xesuaP/tratS
Automatic balancing x
Aesthetics —
Cabinet material P)dloC=C/gnikcniZ=Z/citsalP=P
Rolled stainless steel x
Inner drum(stainless steel=s/plastic=p) P
nwodepytniarD
x)p=citsalp/g=ssalg(rooD
Adjustable feet x
Technical data
zH06/V022zH/Vycneuqerf/egatloV
083WrewophsaW
051WrewopnipS
Special function x
xelbbuB-riA
Feet wheel
Wat er fall current x
Dimension s (measurem ents)
019mmrednutliub/thgieH
577mmhtdiW
Depth / with open door mm 440
Dim
●
ension s packed ( measurements packed)
249mmthgieH
Width mm 792
Depth mm 477
12
tuobAgkthgiewteN
5.42tuobAgkthgiewssorG
SdaolreniatnoC'02
●
ets
611steSdaolreniatnoC'04
861steSdaolreniatnoC'H04
Note:" "FOR AVAILABLE,"x" FOR NOT AVAILABLE "-"FOR NOT APPLICABL E
Edi
ted w
ith
the trial version
of
Foxit Advanced PDF Editor
T
o remove this notice, visit:
w
ww.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Chapter 4: safety precondition
Please insert the power cord into
special receptacle with rated vol-
tage. Be sure to use single-phase
three pins receptacle. The earthing
terminal of the receptacle must be
earthed reliably. If possible, please
●
adopt electric leakage protector.
When the machine is normally
using, please put the power plug
at the location easily to be insert-
ed and extracted by hand. Be sure
to pull the plug off when there's
power failure, or the machine is
being moved, cleaned or when it
is idle.
If the power cord is bad, to avoid risk it is required to replace it by the
●
technicians of our special shop or the after-sale service department.
Keep the pin of the power plug clean.
4
Do not put the machine at damp
place like the bathroom . Never
wash it with water. Do not place
wet laundries on the control panel.
Do not use water hotter than 50 C .
In case the washing machine is installed
on ground with carpet , do not block the
ventilation hole with carpet.
Do not wash water-proof laundries like
the raincoat, bike covers etc. to avoid
abnormal vibrations in spinning.
Do not let the machine share one receptacle
●
with other electric appliances. If the power
plug is damaged, or the plugging into the
receptacle is loose, do not use the plug any
more.
Warning sign
Forbidding sign Contents marked with that symbol are actions forbidden to perform.
Performing of those actions may result in damage of the machine
or injure the personal safety of the user.
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Chapter 5: WARNING AND CAUTIONS
5
Please don t use the washer in the environment below 0 C. If the washer is below 0 C, the
●
washer s water inlet system and draining system will be frozen ,then result in the damaged
of the whole machine. If the washer has below 0 C, please be sure to ensure the washer is
●
placed under the room temperature for 2~4 hours and then use .
It is suggested to use foamless washing powder.
Please put down the drain hose before washing and connect the water inlet pipe properly.
Do not stretch hands into the working
machine. It is dangerous even if the
rotation is slow. Take special care of
the children.
Do not put any hot or heavy items
( such as the kettle with hot water )
on the washing machine.
Do not decompose, repair or alter the
machine by yourself.
Handicapped or children without care
shall not use the machine.
Keep the machine away from direct
sunlight and heat source like the
heater.
Do not wash laundries with volatile
materials (such as thinner, petrol etc.).
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com
all-guides.com

Chapter 6: INSTALLATION AND ACCESSORY PARTS
6
5. If the extra hose is too long, cut it either
●
at point A or B.
BA
> 30mm
<1.5m
1.The height of the drain hose shall be
less than 10cm , or the drainage will
not be smooth enough and cause
incomplete drainage.
2.Do not tramp or press the drain hose.
3.If the drain hose is too long, cut it at mid point.
To make smooth drainage, cut the front end of
the hose slantingly.
4.If extra drain hose is needed , please make
separate purchase. The inner diameter of the
extra hose shall not less than 30mm, and the
length shall not exceed 1.5m.
<10cm
Please install and adjust the machine according to the requirement of
the manual. It is very important to your security and correct operating
the machine.
Install the lint filter
Usage of the drain hose
6.1 Dismantle and installation
Figure 1
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
lint f ilte r
Place the bottom side of the lint filter into the
overflow filter, then push the top side into the
overflow filter.
After installation, please double check to
make sure that the lint filter is installed in the
correct location; otherwise it may fall off
during operation.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Put soft items on the ground. Lean the machine
●
down gently with the front surface facing the
ground. Take off the drain hose from the cabinet.
Take the hose out of the fixing groove.
(See to Figure 3).
Embed the drain hose into the groove with
●
hands. Ta ke care not to damage the drain
hose in fastening the fixing clamp.
Figure 4
●
Embed into the
●
groove in turn
Extend to the
spin tub side
7
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Spin tub shaft
●
Bearing seat
Figure 6
●
Oilite bearing
Inner lining of
the bearing seat
Fastening screw
Fastening screw of
the brake wheel
Inner lining of the
brake wheel
Brake wheel
Spin motor shaft
Dismantling and installation of the control panel component
Loosen the fastening screws. Pull towards the direction
indicated in the figure to dismantle the control panel. In
installation the beard shall lock into the installation hole
of the major frame. (Figure 5)
Dismantling and installation of
the spin tub
Dismantle the Major frame component.
Loosen the fastening screw of the spin tub
shaft. The spin tub then can be taken out.
In installation, be sure to inlay the bulge of
the inner lining of the brake wheel into the
groove of the spin tub shaft. (Figure 6
Figure 5
8
Dismantling and installation of the base frame
Dismantle the back cover. Loosen the wires. Loosen the
fastening screw of the spin tub shaft. Separate the shaft
from the brake wheel. Loosen the brake hook. Take off
the brake cable frame from the installation groove of the
twin-tub. Take off the V-belt. Take out the drain hose from
the groove of the base frame. Loosen the fastening screw
between the base frame and the cabinet to dismantle the
base frame component.
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

9
Dismantling and installation of the bearing seat
Once the bearing seat is taken off, it can not be utilized again. Therefore do not dismantle
●
it as far as possible. In case that it has to be replaced, please dismantle it as per following
sequence, then install a new bearing seat.
Dismantle the spin tub . Then pull out the bearing seat.
Cut off the inner lining claw inside the bearing seat with cutting pliers and take it out.
Install the new bearing seat and inner lining.
The bearing seat is an inlay component. Be sure to aim the claw of the inner lining at the
hole of the tub then push it in. Please use suitable tools and add even pressure around
the tub.
After inlay the bearing seat, check if the claw is installed to proper position from the outside
of the twin-tub (Figure 7).
Figure 7
●
Right Wrong
6.2 Points of Attention in
●
After-sales Service
Be sure to switch off the power during dismantling or repair.
Be sure to use insulated wiring terminals and insulation box in connection of the wires, and
crimp and fix to proper position with suitable tools.
In welding connections with electric iron, be sure to twist the wires before welding, and insulate
with insulation tapes.
In welding the wires with electric iron, be sure not to touch the resin part and insulation part of
each switch.
The inlay connection wires and terminals shall not be loose or drop.
Do not make the wires touch the moving parts like the belt, pulley of the motor, brake bar etc.
Do not make the wires touch the sharp edges and high-temperature area.
In case that there are metal parts with the wires, do not make the wires touch the metal parts.
●
Insulation materials are needed between them.
●
After assembly, the washing machine shall act normally. Check if it leaks and if the sound and
vibration are normal.
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Figure 8
●
Unit mm
7.1 Net dimension
Chapter 7: APPEARANCE BRIEF INTRODUCTION
height: 910mm / width:775mm / depth:440mm
10
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com
all-guides.com

11
7.2 Name of parts
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Figure 9
●
Water-filling entrance Wash selector
Wash timer
Pulsator
Wash tub
Wash tub cover
Drain hose
Major frame
Outer cover of the spin tub
Inner cover of the spin tub
Spin tub
Cabinet
Spin timer
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

8.1 Wash part
Insert the power plug , but the machine does not work
YES
●
YES
YES
●
YES
●
YES
●
YES
YES
Switch on the power.
Replace the plug
or receptacle.
Replace with new power
supply cord.
Replace the fuse.
Inlay the connecting
wire again.
Replace the motor
●
Replace the wash timerReplace the capacitor
Check if the capacitor
is good?
Poor contact or inferior
inside of the wash timer
Open the wash timer.
Check if the power source is available?
Check if the contact between
the plug and receptacle is good?
Check if the power supply
cord is good
Check if the fuse is good?
Check if the wash timer is opened ?
NO
NO
NO
No
NO
NO
NONO
NO NO
Check if the inlay of
the connecting wire
terminal is good?
Chapter 8: MAINTENANCE SERVICE AND CHECK METHOD
12
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

8.2 Spin part
Check if the brake system
●
is detached?
Repair the brake system.
Check if the spin timer
is opened ?
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NOYES
NO
NO YES
YES
NO
Switch on the power.
Open the spin timer.
Check if the power source
is available?
Replace the plug
or receptacle.
Replace with new
power supply cord.
Check if the power supply
cord is good?
Replace the fuse.
Inlay the connecting
wire again.
Check if the fuse is good?
Check if the micro-switch is closed?
Check if the inlay of
the connecting wire
terminal is good?
Replace the capacitor.
Check if the capacitor
is good?
Replace the motor.
Repair the micro-switch,
make it closed.
Check if the motor is good
13
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

There is metal rubbing noise in braking
The washing noise is too large
●
If the brake arm
has brake block ?
NO Add the brake or replace
the brake arm.
Is the motor noise large?
Is the motor fastened tightly?
●
Is the belt too loose
●
or too tight?
●
Replace the wash timer
Is the wiring of
●
the wash timer proper?
Is the radiating pulley loose?
Is the pulsator rubbing the
bottom of the twin-tub?
The pulsator only rotates towards one direction
YES
NO
YES
YES
YES
NO
YES
NO
NO
Replace the motor.
Fasten the motor tightly.
Adjust the tension of the belt.
Fasten the radiating pulley.
Adjust the gap between the
pulsator and the twin-tub.
Adjust the wiring to
proper position.
YES
NO
14
8.3 check noise and others
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

The spinning noise is too large
15
If the sundries fall off between the
●
spin tub and twin-tub
If the washing machine
is set horizontally?
If the spin-tub fixing screw and
●
brake wheel fixing screw is
fastened tightly?
●
Fasten the screw.
Clean the sundries
Set the machine horizontally.
Yes
Yes
No
Y
●
es
No
No
Yes
No
No
No
Yes
If there is different noise
during the spin-tub running.
Add the oil between the bearing and the
spin-tub. If the bearing is rustiness it
must be changed.
If the damping spring is fastened
tightly or crackly? Adjust or change the damping spring.
If there is different noise when
the motor is running? Change the spin motor.
Issue
Rev.
Service Manual
Model NO:LMD7023PBBP
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com
all-guides.com

Not draining
Set the switch to drain, the machine
does not work.
Check if the select knob install?
●
Check if the select knob shatter?
No
Yes
Yes
No
●
Y
●
es
Y
●
es
No
No
●
Yes
Check if the Drain pullback
band loosened or snapped?
Check if there is anything
in the drain valve ?
Check if there is anything
block up the drain outlet on
the washing tub side ?
Install the knob again.
Replace the knob .
Replace or adjust the drain
pullback band .
Clean the sundries in drain valve.
Clean the sundries in tub.
16
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Chapter 9: Trouble-shooting answer to question
17
(If there's breakdown, please pull off the power plug before checking) The following
phenomena are not breakdowns sometimes. Please confirm again before sending
it to repair.
●
If there are real breakdowns, please come to the special maintenance
department or after-sale service department of our company. Do not repair it by yourself.
Phenomena The reason
●
The machine does
●
not act.
Is there power failure?
Is the power plug loose?
Is the pulsator twisted by foreign materials?
Is the drain hose frozen?
Is the drain hose blocked by foreign material?
Are there laundries falling to the outer side of
the spin tub?
The draining does not
work
Are there hair pin, coins or metal items brought
inside the tub?
Is the machine slanting?
Is the gland pressed evenly?
Are there laundries falling to the outer side of
the spin tub?
Are the laundries in spin tub too much?
It is the water remained in the factory inspection
●
of performance.
There may be some
water flowing out of
the drain hose in the
first use of the
machine.
There's abnormal
sound and violent
vibration during
spinning
There's abnormal
sound during washing
Issue
Rev.
Service Manual
Model NO:LMD7023PBBP
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Actual Circuit Diagram
●
There is overload protector installed in the motor. In case that the motor is overload or meets
breakdown in working, the protector will act and stop the motor. When the breakdown is
removed, the motor will resume normal working.
Figure12
Figure 11
C1
C2
S2
S1
a
b1
Yellow/green
spin timerwash timer
capacitor
●
fuse
red
red
red yellow
Grey
Grey
Grey
brown
purple
purple purple
yellow
blue
Cabinet
Control
Panel
S3
Chapter 10: WIRING DIAGRAM
18
1
Service Manual
Model NO:LMD7023PBBP
Issue
Rev.
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com

Ha
●
ier Industrial Park, No.1, Haier Road
266101
●
, Qingdao, China
http://www.haier.com
Sincere Forever
Group
Edited with the trial version of
Foxit Advanced PDF Editor
To remove this notice, visit:
www.foxitsoftware.com/shopping
All manuals and user guides at all-guides.com