Haier HW-D1270TVE ME User manual

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１
SERVICE MANUAL
This service 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
MODEL: HW-D1270TVE/ME
HW-D SERIES
Front Load Washing Machine
Order No. FL0812S010V1.1
WARNING
©2008 Haier Washing Machine
All rights reserved.Unauthorized copying and distribution is a violation of law.

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
２
Haier Group
Contents
Chapter 1 General Information _____________________________________ ４
1-1. General Guidelines _________________________________________ ４
1-2. Caution and Warning symbols_________________________________ ４
1-3. Function indication symbols __________________________________ ４
Chapter 2 Product Feature ________________________________________ ５
2-1. Features _________________________________________________ ５
2-2. Specification ______________________________________________ ６
Chapter 3 Matters needing attention ________________________________ ８
3-1. Safety ___________________________________________________ ８
3-2. During Use________________________________________________ ９
Chapter 4 Operational Guidance _________________________________ １０
Chapter 5 Program Introduction__________________________________ １２
Chapter 6 Appearance brief introduction __________________________ １３
6-1. Name of parts ____________________________________________１３
6-2. Net dimension ____________________________________________１４
Chapter 7 Disassembly and Installation ___________________________ １５
7-1. Remove packing materials __________________________________１５
7-2. Dismantle packing bolts_____________________________________１５
7-3. Adjusting the washing machine_______________________________１５

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
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7-4. Joining the Inlet Hose to the Washing Machine___________________１６
7-5. Connecting to the Power Supply ______________________________１６
Chapter 8 Wiring circuit_________________________________________ １７
8-1. Wiring circuit _____________________________________________１７
8-2. Self check_______________________________________________１８
Chapter 9 Error Display and troubleshooting _______________________ １９
9-1. Error Display _____________________________________________１９
9-2. Examination & Troubleshooting_______________________________２５
9-2-1. Display nothing ________________________________________２５
9-2-2. No water inletting_______________________________________２５
9-2-3. No draining ___________________________________________２６
9-2-4. Abnormal noise and vibration _____________________________２６
9-2-5. Water leaking__________________________________________２７

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
４
Chapter 1 General Information
1-1. General Guidelines
When servicing,observe the original lead dress.If a short circuit is found, replace all parts which are
overheated or damaged by the short circuit.After servicing ,see to it that all the protective devices such as
insulation barriers ,insulation papers shields are properly installed .Confirm that the screws,parts and wiring
which were removed in order to service are put in the original positions, or whether there are the portions
which are deteriorated around the service places serviced or not. And be sure safety of that.
1-2. Caution and Warning symbols
(You will see them in “Matters needing attention”)
Any instructions in this service manual with this “Warning “sign must be followed strictly.
To prevent damage to the washing machine, any instructions in this manual with this “Stop “sign
must be followed strictly.
1-3. Function indication symbols
(You will see them in the specification table)
Signify the washing machine has this function.
Signify the washing machine doesn’t have this function.

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
５
Chapter 2 Product Feature
2-1. Features
Environmental friendly to protect your skin.
DC driver to save more energy and water
High speed is available for easily dying and washed items are always ready for further use.
Sterilization of electrolyzed water makes washing complete and clean
Super large LCD displayer provides a clear indication of functional operation
Memory function of power failure
Thorough rinse function
Dynamic washing function
Electromagnetic door lock, which will open when the machine stops

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
６
2-2. Specification
washing machines
HW-D1270TVE/ME
Last update
1.
Product identification
Description of appliance
Washing machine
Type of appliance(FS = standing, BI = built-in
FS
Supplier own brand
Haier
Supplier bar code
EAN
Haier
Commercial Brand / Model
Haier
Commercial bar code
EAN
Haier
2.
Key-Features
Energy efficiency class
A
Washing performance class
A
Spin efficiency class
B
Programs
n°
11
Capacity
Kg
7
Spin speed (max. / optional)
rpm
1200
Noise level（sound pressure level）
dB(A)
72
Energy consumption per wash circle
kWh
1.19
Water consumption per wash cycle
l
56
Residual dampness (spin result)
%
50%
Spin speed selector switch (steps)
rpm

Spin speed variator (stepless)
rpm

Adjustable thermostat (water temp. adjust from - to)
°C
90 - 
Drum capacity dry laundry / water
kg / l
7/56
Auto water level adjust (depending on volume of filled in laundry)
AWL

Washing time (max.)
min
178
Washing temperatures (program-controlled)
°C
Cold/30/40/50/60/90
Certification's (CE / ISO 9001 / ISO 9002)
CE / ISO 9001
Approvals (VDE/GS / TÜV/GS / IMQ)
TÜV/GS (Rhl.)
* per average 200 wash cycles (EN50242)  = COLD

3.
Basics data
Unit dimensions (H x W x D)
cm
84X59.5X61
Net weight
kg
73
Voltage/frequency
V/Hz
220-240V~50Hz
Input power / main fuse (intensity)
W / A
2000/10
Work top / removable
/
Control M= electromechanical, E= electronic, F= fuzzy
E
Inner cylinder S = stainless steel / Z = zinc coated
S
Outer cylinder P = Plastic / S = stainless steel
P
Door:
aesthetic (R= round, Y= big eye, Q= square)
Y
Diameter
cm
30
Outer door frame S= stainless steel / M= metal / P= plastic
P
Inner door G= glass / P= plastic
G
Detergent compartments
n°
3
Removable compartment for liquid detergent
-
Delay timer (from - to)
h
0.5-24
Self cleaning suds pump

Water inlet hose cold water / hot water
/-
Water drain hose / -support
/

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
７
Adjustable feet
n°
4
4.
Safety systems
Auto door lock
ADL

Motor overheating protection
MOP

No heating without water
NHW

Auto water cool-down (before drain 90°C boiled water)
AWC

Water protection
WRP

Acqua Stop kit

Child protection

5.
Programs
1) Cotton cycles Strong/Normal/Delicate
n°
2
1) Synthetics Normal / Delicate
n°
1
2) Wool
n°
1
3) Hand wash
n°
1
4) Sport program
n°
1
5) Spin
1
6) Drain
n°
1
7) Underwear
n°
-
8) Bulky Clothes
n°
-
Optional function keys (additional program settings)
ON/OFF button
●
Half load
●
Super Wash
-
Spin exclusion
●
Spin reduction
rpm
●
ECO Time
●
No Soak
-
Rinse stop
●
Delicate
-
Cold wash

●
Accelerated Washing
●
Extra Rinse

●
No use detergent
-
Healthy
-
Time Delay
●
Start/Pause

●
6.
Packing dimensions & loadability
Packing dimensions (H x W x D)
cm
88.5*63.5*65
Gross weight
kg
75
40' Container load
pcs
40' HC load capacity
pcs
162
Stand for having the function
- Stand for not having the function
ECO stand for ecnomical wash

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
８
Chapter 3 Matters needing attention
3-1. Safety

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
９
3-2. During Use

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１０
Chapter 4 Operational Guidance

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１１

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１２
Chapter 5 Program Introduction

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１３
Chapter 6 Appearance brief introduction
6-1. Name of parts

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１４
6-2. Net dimension

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１５
Chapter 7 Disassembly and Installation
7-1. Remove packing materials
7-2. Dismantle packing bolts
7-3. Adjusting the washing machine

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１６
7-4. Joining the Inlet Hose to the Washing Machine
7-5. Connecting to the Power Supply

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１７
Chapter 8 Wiring circuit
8-1. Wiring circuit

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１８
8-2. Self check

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
１９
Chapter 9 Error Display and troubleshooting
9-1. Error Display
Error message:Door is not properly shut 20s after program is started.
Troubleshooting:
Error message:Drainage error, water not emptied within 4 min.
Troubleshooting:
Pushing the door to Check Whether Door is
properly shut or not
Y
N
Shut the door properly
Cut off the power and then turn on again.
Check the voltage between brown wire and
red wire of door lock, is it between AC
220-240V?
N
Y
Door lock is broken and need replacing,
then make sure wire is connected
properly.
Check if the wire connecting door lock
and computer board is loose
N
Y
Connect the wire properly
Check the voltage between grey wire and
white wire of computer board, is it
between AC 220-240V?
N
Replace
PCB
Cut off power and water level pressure switch wire
connection, measure the resistance of 1 and 3 pin, is it
infinite? If not, it is water level pressure switch failure and
replace it. If it is, then repair and check computer board
and wire as followed.
Check if water is emptied
N
Y

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
２０
Error message:Temperature sensor is not properly connected or damaged (display at the end of a program).
Troubleshooting:
N
N
Check if drain pump acts by touching
pump position
Y
Check if drain pump or
drain pipe is jammed, and
open the filter and clean
N
Cut off the power and choose spin
program to start, then check the import
voltage of drain pump, is it between AC
220-240 V?
Y
Replace drain pump
N
Cut off power and pull out water level
pressure switch wire connection. Set
spin program to start. Check the export
voltage to drain pump, is it between AC
220-240V?between blue wire and
green wire
Y
The wire between
computer board
and drain pump
is not
connected
properly.
Replace the
wire.
Replace PCB
Cut off power and measure the resistance
of temperature sensor by multimeter, is
it between 5-14kΩ?
Y
NTC exist open circuit .Replace it
N
Y
Check if NTC is connected properly
Connect NTC well
N
N
Check the blue wire and black wire of NTC,
are they connected well?
Connect all wires well
Y
Disconnect the white wire and black wire
from computer board, and measure if the
resistance between blue wire and black
wire of PCB is it infinite?
Y
Replace wire
Replace PCB