Haier HW-E1470TVE User manual

Front Load Washing Machine Model:HW-E70TVE SERIES
FRONT LOAD WASHING MACHINE
Service Manual
Features：
●300mm diameter porthole, door may be open at a 180 degrees.
●Class-A energy-saving;Class-A Washing performance,Homocentric tubs with higher
energy efficiency
●Multi-gear speed controller
●Unique gasket design featuring no residual water hidden inside
●Delay time adjustive
●Large wash load capacity 7kg
Serial Number: SM HW-E70TVE SERIES Version:00.01 Edition: 2007-07-20
Suited model:
HW-E1470TVE
HW-E1270TVE
HW-E1070TVE
HW-E870TVE
HW-E1470TVE ME
HW-E1270TVE ME
HW-E1070TVE ME
HW-E870TVE ME

Front Load Washing Machine Model:HW-E70TVE SERIES
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1、Contents---------------------------------------------------------------------------------------1
2、Features --------------------------------------------------------------------------------------2
3、Sale points------------------------------------------------------------------------------------2
4、Specification ---------------------------------------------------------------------------------3
5、Safety------------------------------------------------------------------------------------------5
6、Installation ------------------------------------------------------------------------------------8
7、Net dimension -------------------------------------------------------------------------------11
8、Names of the parts-------------------------------------------------------------------------12
9、Operational Functions---------------------------------------------------------------------13
10、Trouble shooting--------------------------------------------------------------------------16
11、Wiring circuit -------------------------------------------------------------------------------26

Front Load Washing Machine Model:HW-E70TVE SERIES
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FEATURES
●300mm diameter porthole, door may be open at a 180 degrees.
Facilitate view of wash process, facilitate unloading and easy to use with large port.
●Class A energy-saving,Class A washing performance
Scientific design for tub can reduce the use of water heavy during washing, consequently upgrade the energy
efficiency class to A,also use scientific washing
●Multi-gear speed controller
According to different costuming，you can select corresponding spin speed，from 400 to 1000 rpm.
●Unique gasket design featuring no residual water hidden inside.
By the unique gasket，washing machine can left no residual water hidden between outer drum and front board.
●Delay time adjustive.
According to different costuming，you can select delay time，from 0.5h to 24h.
Sale points
One sentence for simplicity：
The capacity of this washing machine is 7kg,so you can wash more clothes than others
Three sentences for convenience:
I. Choose from 11 programs, convenient uses to provide you much benefit
II. Front-Load structured to ensure placing clothes much more facility
III. Humanistic design for control panel to help expedient operation
Five sentences for tech-support:
I. No need to be worried because of the function of intelligent-memory
II. Satisfied to encourage children’s curiosity because of the child-lock
III. Perish your trouble because of the alarm to the fault
IV. Make you happy because of quick-wash in 29 mins
V. Reassure for you because of the 24hours pre-wash which may offer you washing anywhere and
anytime.

Front Load Washing Machine Model:HW-E70TVE SERIES
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SPECIFICATION
Proposal 2006 New Sensor
Front loaders washing machines HW-E70TVE SERIES
1. Product identification
Description of appliance Washing machine
Type of appliance (FS = standing, BI = built-in) FS
Supplier own brand
Supplier bar code EAN
Mares computer code
Commercial Brand / Model
Commercial bar code EAN
2. Key-Features
Energy efficiency class A
Washing performance class A
Spin efficiency class B
Programs n° 11
Capacity kg 7
Spinspeed (max. / optional) rpm 1200-400/1400-400
1000-400/800-400
Noise level(spin) dB(A) 71
Energy consumption per wash circle * kWh 1.10
Water consumption* l 53
Residualdampness (spin result) % 50%
Spin speed selector switch (steps) rpm

Spin speed variator (stepless) rpm 
Adjustablethermostat (water temp. adjust from - to)°C 90/60/50/40/30
Drum capacity dry laundry / water kg / l 7/53
Auto water level adjust (depending on volume of filled in laundry) AWL 
Washing time (max.) min 178
Washing temperatures (program-controlled) °C 30 - 90
Certification's (CE / ISO 9001 / ISO 9002) CE / ISO 9001
Approvals (VDE/GS / TÜV/GS / IMQ) TÜV
* EN 60456 (60°C cycle, full load without pre-wash)
 = COLD 
3. Basics data
Unitdimensions (HxWxD) cm 84.0 x 59,5 x 590
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
Outercylinder 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 /
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 
ACQUA Stop kit -

Front Load Washing Machine Model:HW-E70TVE SERIES
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Child protection 
Programs
5. 1) Strong action /cotton cycles n° 1
2) Normal action / synthetics n° 1
3) Delicate action / wool cycles n° 1
Pre-wash / wash /-
Quick wash / super quick wash /-
Rinse / soften /-
Delicate / hand wash -/
Wool / cashmere /-
Soak / spin -/
Drain 
Easy ironing -
Optional function keys (additional program settings)
ON/OFF button 
Half load -
Fussy

Spin exclusion 
Spin reduction rpm 
High water level 
No Soak 
Rinse stop -
Delicate -
Cold wash  
Sport wash 
ECO 
Stand for having the function
-Stand for not having the function
ECO stand for ecnomical wash

Front Load Washing Machine Model:HW-E70TVE SERIES
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Front Load Washing Machine Model:HW-E70TVE SERIES
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Front Load Washing Machine Model:HW-E70TVE SERIES
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Net dimension
840
595 590

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Names of the part
Detergent
distribution
drawer
Display
door
prothole
Top panel
Operating
buttons
Selection knob
Door handle

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HW-E70TVE SERIES Error Display and Troubleshooting
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
Shut the door properly
Door lock is broken and need
replacing, then make sure wire is
connected properly.
N
Check the voltage between grey wire and
white wire of computer board, is it
between AC 220-240V?
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
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
Replace
computer
board
N
Connect the wire properly
Check if the wire connecting door lock
and computer board is loose
N
Y
Check if water is emptied Y
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.
N
Y
N

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(Fig1)
Error message:Temperature sensor is not properly connected or damaged (display at the end of a
program).
Troubleshooting:
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?
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
Replace computer board
NTC exist open circuit .Replace it
Y
Y
Check if NTC is connected properly
Cut off power and measure the resistance
of temperature sensor by multimeter, is
it between 5-14kΩ?
Y
N
Connect NTC well
N
N
Replace computer board
Y
The wire between
computer board
and drain pump
is not connected
properly.
Replace the wire.
Check the blue wire and black wire of NTC, are
they connected well?
Connect all wires well
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
N
Y Replace wire

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Error message :The heater may be broken
Troubleshooting:
N
Y
Y
Error message:The required water level is not reached within 8 min.
Troubleshooting:
N
Check if inlet valve is jammed Clean inlet valve
N
Check if tap is closed or water pressure is too
low (usual between0.03 -1 MPa)
Open the tap or wait for normal water pressure to use
Y
Y
Check if water is leaking from washer
bottom. inlet pipe. drain pipe or other
pipe connection Y Readjust or replace the broken parts
N
Cut off power ,check the resistance
Of two pins of heater element by
multimenter is it between 30-35Ω?
Turn on power ,and set wash
mode,then start ,check the export
voltage of heater element between
12-6 and J9-9 ,is it between AC
220-240V?
Heater element
must be broken
please replace
it
Computer
board must be
broken, please

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(Fig 2)
N
Draw out the dispenser and check if water is
entering
Observe if the height of
drain pipe not reach 80
cm. If water level
pressures switch and
the hose is leaking gas
N
Turn on power, and set pre-wash mode, then
start. Check the import voltage of
electromagnetic valve by multimeter
, is it between AC 220-240V between the
white wire and red wire that they are not
connected?Voltage is220-240V between
white wire and white wire,between red wire
and red wire
Electromagnetic valve must be broken, please replace
it.
The wire connected PCB and inlet valve is not
properly. Please reconnect it or replace it.
Y
Y
Y
Replace computer board
Check if export voltage from computer board
to electromagnetic valve, is it between AC
220-240V that voltage between grown wire
and white wire of PCB ?
N