Haier Hw-e Service Manual d4a33

Front Load Washing Machine

FRONT LOAD

Model:HW-E70TVE SERIES

WASHING MACHINE

Service Manual Suited model: HW-E1470TVE HW-E1270TVE HW-E1070TVE HW-E870TVE HW-E1470TVE ME HW-E1270TVE ME HW-E1070TVE ME HW-E870TVE ME

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

Front Load Washing Machine

Model:HW-E70TVE SERIES

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

１

Front Load Washing Machine

Model:HW-E70TVE SERIES

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 to help expedient operation Five sentences for tech-: 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.

２

Front Load Washing Machine

Model:HW-E70TVE SERIES

SPECIFICATION 1.

2.

Proposal Front loaders washing machines Product identification Description of appliance Type of appliance (FS = standing, BI = built-in) Supplier own brand Supplier bar code Mares computer code Commercial Brand / Model Commercial bar code Key-Features Energy efficiency class Washing performance class Spin efficiency class Programs Capacity Spin speed

3.

4.

(max. / optional)

Noise level(spin) Energy consumption per wash circle * Water consumption* Residual dampness (spin result) Spin speed selector switch (steps) Spin speed variator (stepless) Adjustable thermostat (water temp. adjust from - to) Drum capacity dry laundry / water Auto water level adjust (depending on volume of filled in laundry) Washing time (max.) Washing temperatures (program-controlled) Certification's (CE / ISO 9001 / ISO 9002) Approvals (VDE/GS / TÜV/GS / IMQ) * EN 60456 (60°C cycle, full load without pre-wash) = COLD Basics data Unit dimensions (H x W x D) Net weight Voltage/frequency Input power / main fuse (intensity) Work top / removable Control M = electromechanical, E = electronic, F = fuzzy Inner cylinder S = stainless steel / Z = zinc coated Outer cylinder P = Plastic / S = stainless steel Door: aesthetic (R = round, Y = big eye, Q = square) Diameter Outer door frame S= stainless steel / M = metal / P = plastic Inner door G= glass / P= plastic Detergent compartments Removable compartment for liquid detergent Delay timer (from - to) Self cleaning suds pump Water inlet hose cold water / hot water Water drain hose / - Adjustable feet Safety systems Auto door lock Motor overheating protection No heating without water Auto water cool-down (before drain 90°C boiled water) ACQUA Stop kit ３

2006

New Sensor HW-E70TVE SERIES

Washing machine FS EAN

EAN A A B n° 11 kg 7 1200-400/1400-400 rpm 1000-400/800-400 dB(A) 71 kWh 1.10 l 53 % 50% rpm rpm °C 90/60/50/40/30 kg / l 7/53 AWL min 178 °C 30 - 90 CE / ISO 9001 TÜV cm kg V/Hz W/A

84.0 x 59,5 x 590 73 220-240V~50Hz 2000/10 -/ E S P

h

Y 30 P G 3 0.5-24

n°

// 4

cm n°

ADL MOP NHW AWC -

Front Load Washing Machine

Model:HW-E70TVE SERIES

Child protection Programs 1) Strong action /cotton cycles 2) Normal action / synthetics 3) Delicate action / wool cycles 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 High water level No Soak Rinse stop Delicate Cold wash Sport wash ECO

5.

Stand for having the function

-

Stand for not having the function

ECO stand for ecnomical wash

４

n° n° n°

1 1 1 ///-/ /-/ -

rpm -

Front Load Washing Machine

Model:HW-E70TVE SERIES

５

Front Load Washing Machine

Model:HW-E70TVE SERIES

６

Front Load Washing Machine

7

Model:HW-E70TVE SERIES

Front Load Washing Machine

8

Model:HW-E70TVE SERIES

Front Load Washing Machine

9

Model:HW-E70TVE SERIES

Front Load Washing Machine

10

Model:HW-E70TVE SERIES

Front Load Washing Machine

Model:HW-E70TVE SERIES

Net dimension

590

840

595

11

Front Load Washing Machine

Model:HW-E70TVE SERIES

Names of the part Detergent distribution drawer

Top

Display

Selection knob

Operating buttons prothole

door

Door handle

12

Front Load Washing Machine

13

Model:HW-E70TVE SERIES

Front Load Washing Machine

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Model:HW-E70TVE SERIES

Front Load Washing Machine

15

Model:HW-E70TVE SERIES

Front Load Washing Machine

HW-E70TVE SERIES

Model:HW-E70TVE SERIES

Error Display and Troubleshooting

Error message:Door is not properly shut 20s after program is started. Troubleshooting: Pushing the door to Check Whether Door is properly shut or not

Shut the door properly N

Y 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?

Y

Door

lock

is

broken

need

replacing, then make sure wire is connected properly.

N Connect the wire properly

Check if the wire connecting door lock and computer board is loose

Y

Replace

N

computer

Check the voltage between grey wire and white wire of computer board, is it between AC 220-240V?

N

board

Error message:Drainage error, water not emptied within 4 min. Troubleshooting: Cut off power and water Check if water is emptied

and

Y

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 Check if drain pump acts by touching pump position

Y

N

16

Check if drain pump or drain pipe is jammed, and open the filter and clean

Front Load Washing Machine

Model:HW-E70TVE SERIES

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.

N

Replace computer board

(Fig1)

Error message:Temperature sensor is not properly connected or damaged (display at the end of a program). Troubleshooting: Cut off power and measure the resistance N

NTC exist open circuit .Replace it

of temperature sensor by multimeter, is it between 5-14kΩ? Y

Check if NTC is connected properly

Connect NTC well N

Y

Check the blue wire and black wire of NTC, are they connected well?

Connect all wires well N

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?

Replace wire Y

N

Replace computer board

17

Front Load Washing Machine

Model:HW-E70TVE SERIES

Error message :The heater may be broken Troubleshooting: Cut off power ,check the resistance Of two pins of heater element by

N

multimenter is it between 30-35Ω ? Y

Heater element must be broken please replace it

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?

Y

Computer board must be broken, please

Error message:The required water level is not reached within 8 min. Troubleshooting: Check if water is leaking from washer bottom. inlet pipe. drain pipe or other pipe connection

Y

Readjust or replace the broken parts

N Check if tap is closed or water pressure is too

Y

Open the tap or wait for normal water pressure to use

low (usual between0.03 -1 MPa) N Clean inlet valve Check if inlet valve is jammed

Y

N

18

Front Load Washing Machine

Model:HW-E70TVE SERIES Observe if the height of

Draw out the dispenser and check if water is entering

drain pipe not reach 80 Y

cm.

If

water

level

N pressures switch and the hose is leaking gas

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

Y

Electromagnetic valve must be broken, please replace it.

N

The wire connected PCB and inlet valve is not Check if export voltage from computer board

Y

properly. Please reconnect it or replace it.

to electromagnetic valve, is it between AC 220-240V that voltage between grown wire and white wire of PCB ? N

(Fig 2) Replace computer board

19

Front Load Washing Machine

Model:HW-E70TVE SERIES

Error message:Motor speed error .it may be not properly connected or damaged. Troubleshooting : Connect them well and test.

Cut off power, and check if motor wire is N connected well

Y Connect them properly and test. Check if the wire of motor is connected well

N

with computer board.

Y Pull out the motor insert string, and check the resistance of motor speed measurer and the Replace the motor. winding

of

the

motor,

is

it

as

N

followed?From up to down,The order is M1.M2.M3.M4.M5.M6.M7.M8.M9.M10 : the resistance between M5and M10 is 1.67~1.85Ω.

the

resistance

between

M8and M9 is 1.69~1.87Ω.

Y

Check the import voltage between M1 wind and M2 wind, is it between AC 220-240V?

Replace computer board N

20

Front Load Washing Machine

Model:HW-E70TVE SERIES

Error message. Motor overheat protection or is damaged. Troubleshooting: Cut off power and check if motor wires

N

Reconnect well

are connected well Y Put the motor in nomal temperature about ten minutes,and then test again.If the

Measure if resistance of motor winding by N

multimeter,is it as followed? the

resistance

between

M5and

M10

resistance is natural,

it is caused by

overheated protection.Then check

is

and

1.67~1.85Ω. the resistance between M8and

deal with overload,abnormal voltage.If

M9 is 1.69~1.87Ω.

not,please replace motor

Y

Pull out the wire connection of motor and computer board.Then check if circuit is open by multimeter

Y

Repair wires

N

Turn on power and set spin mode,then start.Check

the

import

Y

voltage

Replace computer board

between red wire and red wires, is it between 220-240V?

21

Front Load Washing Machine

Model:HW-E70TVE SERIES

Error message. Water level exceeds protection value. Troubleshooting: Clean water switch hose and air Y

Check if water switch hose and air collector

collector are jammed N

Pull out water switch inserts and turn on power, then set wash mode. While water is entering at the position of 1/4 glass window, check the resistance between ① and ②, is it 0? Check the resistance between ①and ③, is it infinite?

Replace water pressure switch Y

N

Replace inlet valve

Without power ,connect inlet pipe to inlet Y vavle,then open the tap and observe if water is entering in dispenser N

Replace Y

Without starting but electrifying, measure the import voltage of inlet valve, is it between

computer board

AC 220-240V?

HW-E70TVE SERIES

Examination & Troubleshooting

Failure:Display nothing Troubleshooting: Repair power supply N

Measure the power supply ,is it exists 220V-240V AC voltage？ Y

Press the power switch N

Is power switch on? Y Press power switch and check the voltage between two pins of power switch. Is there 220-240V AC voltage between blue wire and brown wire?

Make sure power supply cable assembly is N

N

connected well and then replace power switch.

Y

22

Front Load Washing Machine

Model:HW-E70TVE SERIES

Cut off power and check if plugs are connected

Insert the plug well and test

Y

well by pulling the plug of computer board. Y Check if power plug exists 220V-240V AC N

voltage at the import pin

Replace PCB

Failure:no water inletting Troubleshooting: Is the tap shut off or the water pressure

Open tap or wait for normal water pressure Y

too low? N

Check if water is leaking from washer connection, especially between inlet pipe

Reconnect inlet pipe.

Y

and tap. to make sure of no bends. N Clean filter

Y

Check if filter of electromagnetic valve is jammed N

Choose pre-wash program and start ， Check if there is 220-240V at import pin of electromagnetic valve

Replace electromagnetic valve Y

N Reconnect the wire Is

there

open

circuit

between

Y

electromagnetic valve and computer board? N Choose pre-wash program and start ， then check if there is 220-240V at export

N

（See fig 2）

Replace PCB

pin of electromagnetic valve

Failure:no draining Troubleshooting: Is the height of drain pipe too high?

Adjust the height of drain pipe to

Y

80-100 cm N

Turn filter anticlockwise，open and check if Y

filter is jammed N

23

Clean and tighten filter clockwise.

Front Load Washing Machine

Model:HW-E70TVE SERIES

Arrange hose and clean

Check if hose connecting cylinder to pump is Y bent or jammed N

Turn on power and choose spin program to start. Measure if import voltage of drain pump is 220-240V

Replace drain pump

Y

N Replace the wire.

Cut off and check if the connection between Y drain pump and computer board is open N

Turn on and choose spin program to

Replace

（ See fig 1）

PCB

N

start. Measure if export voltage of PCB to drain pump is 220-240V

Failure :abnormal noise and vibration Troubleshooting: Is the pack screws dismantled?

Dismantle the screws

N

Y

Is there foreign material in the washer?

Clean

Y

N Adjust adjustable feet Is washer in balance?

N

Y Y

Is belt loose or worn?

Replace it

N Are the screws of counterweight and

Y

Fasten them

motor loose? N Remove belt and turn belt pulley by

Dismantle triangle and check the bearing .If it is broken, replace it.

Y

hand, and then check if there is different N

Y

Turn on power and set spin program, then start，check if there is different noise from motor

24

Replace motor

Front Load Washing Machine

Model:HW-E70TVE SERIES

Failure:water leaking Troubleshooting: Check if water is leaking from the inlet pipe

Y

Readjust it.

or the tap N

Is drain pipe broken？

Replace drain pipe

Y N

Remove clothes

Check if there is foreign material nipped between cushion of sight window and sight window

Y

N Check if all tubes and tie-in is leaking water, including the connecting of tube and valve, dispenser, tube and dispenser ,outer cylinder-cushion of sight window-hose and outer cylinder, drain pump and gas valve

Y

Reassemble or repair

N Replace

Y

Is cushion of sight window broken?

cushion

of

window

N

Is water leaking from outer cylinder?

Y

25

Replace outer cylinder

sight

Front Load Washing Machine

Wiring circuit

26

Model:HW-E70TVE SERIES

Front Load Washing Machine

Model:HW-E70TVE SERIES

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27

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