Service Manual
Contents
1. 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 NTC exist open circuit Replace it of temperature sensor by multimeter is it between 5 14kO Y Check if NTC is connected properly Connect NTC well 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 Replace computer board 17 Haier Front Load Washing Machine Error message The heater may be broken Troubleshooting Cut off power check the resistance Of two pins of heater element by multimenter is it between 30 35Q 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 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 Check if tap is closed or water pressure is too low usual between0 03 1 MPa Check if inlet valve is jammed gt 18 Model HW C7O0TVE SERIES Heater element must be broken please replace it Computer board must be broken please Readjust or re2. again Check the voltage between brown wire and red wire of door lock is it between AC 220 240V Check if the wire connecting door lock and computer board is loose Check the voltage between grey wire and white wire of computer board is it between AC 220 240V Shut the door properly Door lock is broken and need replacing then make sure wire is connected properly Connect the wire properly Replace computer board Error message Drainage error water not emptied within 4 min Troubleshooting Check if water is emptied Check if drain pump acts by touching pump position 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 drain pump or drain pipe is jammed and open the filter and clean 16 Ha lef Front Load Washing Machine Model HW C70TVE 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 Replace drain pump Cut off power and pull out water level The wire between computer board and drain pump is not connected properly Replace the wire 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
3. will be displayed 3 When the pre wash valve allows water to let in for 3 seconds 77 77 will be displayed 4 When the hot water valve allows water to let in for 3 seconds 7 will be displayed 9 When the main wash valve the pre wash valve and and also the hot water valve allow water to let in for 3 seconds at the same time 7 77 will be displayed 6 When the motor runs for ten seconds with the spin speed 93rpm 66 66 will be displayed 7 When the motor runs for 50 seconds with the spin speed 800rpm 66 66 will be displayed 8 When the main wash and pre wash allow the water to go in meanwhile until the maxim water level 55 55 will be displayed 9 When the water fills the tub fully it will stop for ten seconds and at this time 55 55 will be displayed 10 When the motor runs clockwise for 15 seconds with 50 rpm the washing machine will stop for 5 seconds and at this time 44 44 will be displayed 11 When the washing machine heats water for 10 seconds 33 33 will be displayed 12 When the washing machine drains for 30 seconds 22 22 will be displayed 13 When a program cycle is finished END will be displayed 15 Haier Front Load Washing Machine Model HW C70TVE SERIES HW C70TVE 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 Cut off the power and then turn on
4. Check if water switch hose and air collector collector are jammed N Pull out water switch inserts and turn on 3 yan power then set wash mode While water c f Replace water pressure switch is entering at the position of 1 4 glass window check the resistance between and is it 0 Check the resistance between Qand is it infinite N Without power connect inlet pipe to inlet Rep ACEA vale vavle then open the tap and observe if water is entering in dispenser Replace Without starting but electrifying measure the computer import voltage of inlet valve is it between board AC 220 240V HW C7OTVE SERIES Examination amp Troubleshooting Failure Display nothing Troubleshooting Repair power supply Measure the power supply is it exists 220V 240V AC voltage Press the power switch Is power switch on 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 connected well and then replace power switch 22 Haier Cut off power and check if plugs are connected well by pulling the plug of computer board Check if power plug exists 220V 240V AC voltage at the import pin Failure no water inletting Troubleshooting Is the tap shut off or the water pressure too low Check if water is leaking from washer connection especial
5. D Washing temperature knob Touch this button lightly to select the Eu temperature when a temperature is selected the corresponding indicator will ga on E Display such information as remaining wash time temperature and speed setting and error messages will be shown Note After power is switched on the display will go on and the remaining wash time decreases As the water pressure and temperature may differ the remaining time may be adjusted accordingly When the laundry is not balanced during spinning the time may be automatically prolonged These are normal phenomena F Washing indicator It indicates the washing process of the selected program When the light is on it shows that the washing process being indicated is running Ha lef Front Load Washing Machine Model HW C70TVE SERIES G Delay Button Touch this button lightly the washing machine will start operation after a period of time and the corresponding indicator will qo on The range is 0 5 24 hours each touch of this button increases a half hour After the button is set press the Start Pause button to start countdown of the set time the time is displayed on the screen until the program ends Note The delay time must be longer than the program time otherwise the washing machine will start the wash program directly H Extra rinse button Touch this button lightly the indicator will qo on An additional rinse operation will be activated Note Select this f
6. EED UNES EN gt 3 L oa D Front Load Washing Machine Model HW C70TVE SERIES 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 ON OFF button Half load Fussy Spin exclusion Spin reduction High water level No Soak Rinse stop Delicate Cold wash Sport wash ECO B e Stand for having the function Stand for not having the function ECO stand for ecnomical wash Ha lef Front Load Washing Machine Model HW C7OTVE SERIES Matters Needing Attention Safety 1 A separate earthed socket is 5 Hold the plug and not the required for the power supply electric cable when unplugging the The socket should be reachable by power supply the power cable of the machine ft T 3 Fuses in the power circuit 4 Do not touch or use the should be rated for 15A washing machine bare footed or when the hands or feet are wet 5 Do not use flammable detergeyt The door of the washing or dry cleaning agent do not us machine will become hot during flammable spray in close vicinity the heating process Avoid to the washing machine do not contact with the door during the remove or insert the plug in the heating process presence of flammable gas Haier Front Load Washing Machine Model HW C70TVE SERIES Matters Needi
7. Haier Front Load Washing Machine Model HW C70TVE SERIES Haier FRONT LOAD WASHING MACHINE Service Manual a Suited model HW C1270TVE U HW C1470TVE U HW C1270TVEME U HW C1470TVEME U Features e300mm diameter porthole door may be open at a 180 degrees eClass A energy saving Class A washing performance Homocentric tubs with higher energy efficiency eMulti gear speed controller eUnique gasket design featuring no residual water hidden inside eDelay time adjustive eLarge wash load capacity 7kg Serial Number SM HW C70TVE SERIES Version 00 01 Edition 2008 03 12 Haier Front Load Washing Machine Model HW C70TVE SERIES 1 Contents 1 2 Features 2 3 Sale pointsS 2 4 Specification 3 5 Safety 5 6 Installation 8 f Net dimension 11 8 Names of the parts 12 9 Operat
8. ailure abnormal noise and vibration Troubleshooting Is the pack screws dismantled Dismantle the screws Clean Is there foreign material in the washer Adjust adjustable feet Is washer in balance Replace it Is belt loose or worn Fasten them Are the screws of counterweight and motor loose Dismantle triangle and check Remove belt and turn belt pulley by the bearing If it is broken replace it hand and then check if there is different Replace motor Turn on power and set spin program then start check if there is different noise from motor 24 Ha lef Front Load Washing Machine Model HW C70TVE SERIES Failure water leaking Troubleshooting Readjust it Check if water is leaking from the inlet pipe or the tap Replace drain pipe Is drain pipe broken Remove clothes Check if there is foreign material nipped between cushion of sight window and sight window Check if all tubes and tie in is leaking water including the connecting of tube uw Reassemble or repair and valve dispenser tube and dispenser outer cylinder cushion of sight window hose and outer cylinder drain pump and gas valve Replace cushion of sight Is cushion of sight window broken window Is water leaking from outer cylinder Replace outer cylinder 25 Haier Front Load Washing Machine Model HW C70TVE SERIES Wiring circuit Motor Motor P Pressure switch PCB Printed circ
9. e 3 Replace the back plate 4 Fill the holes left by the packing bolts with plastic plugs Attention The packing bolts and rubber hose should be kept in a safe place for later use Adjusting the washing machine There are adjustable feet under the bottom of the washing machine Before use the washing machine should be adjusted as shown in Fig 3 so that it is level Ha lef Front Load Washing Machine Model HW C7OTVE SERIES m Maintenance 1 Turn off the water tap and pull out electricity plug after each wash Open the porthole to prevent formation of moisture and odors If the washing machine is left idle for a long period drain the water in the machine and replace the drainage hose 2 Unplug the machine during cleaning and maintenance Use a soft cloth dampened with soap liquid to clean the machine case and rubber components Do not use organic chemicals or corrosive solvents 3 Clean the detergent distribution drawer regularly owing out the drawer flush it clean with water and then replace it 4 Clean the filter Cleaning methods once a month 1 Push out the outer cover Fig 1 2 Screw out filter by turning counterclockwise Fig 2 3 Flash clean with running water 4 Replace the filter by turning clockwise and remount the cover Fig 3 Caution The filter must be in place or it may lead to leakage Model HW C7O0TVE SERIES 5 To prevent blockage to the water sup
10. e sentences for tech support l No need to be worried because of the function of intelligent memory l Satisfied to encourage children s curiosity because of the child lock Il 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 Ha lef Front Load Washing Machine Model HW C70TVE SERIES SPECIFICATION Proposal 4 4 O 2008 IHW C70TVE SERIES Outer cylinder P Plastic S stainless steel Door Z2 O d re aesthetic R round Y big e cm Delay timer from to h Self cleaning suds pump Water inlet hose cold water hot water ye Q 0 5 24 Water drain hose support Adjustable feet 3 a2 EDDIE 5s squa Description of appliance SS Washing machine ENE Type of appliance FS standing BI built in FS Supplierownbrand Haw Supplier bar code EAN aler Mares computer code CT Haier Commercial Brand Model o Haier X L Commercial br code SCAN Hair Energy efficiency class 1 1 A Washing performance class 1 1 1 1 1 A Y Spin efficiency class O O O 4 l o Programs gt 9 m Capacity Kg 7 Spinsped ma
11. ional Functions 13 10 Trouble shooting 16 11 Wiring circuit 26 Haier Front Load Washing Machine Model HW C70TVE SERIES FEATURES e300mm diameter porthole door may be open at a 180 degrees Facilitate view of wash process facilitate unloading and easy to use with large port e 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 e Multi gear speed controller According to different costuming you can select corresponding spin speed from 400 to 1000 rpm eUnique 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 eDelay time adjustive According to different costuming you can select delay time from 0 5h to 24h Sale points One sentence for simplicity Tight machine body without any wasting places Three sentences for convenience l Choose from 11 programs convenient uses to provide you much benefit lI Front Load structured to ensure placing clothes much more facility Il Humanistic design for control panel to help expedient operation Fiv
12. ly between inlet pipe and tap to make sure of no bends Check if filter of electromagnetic valve is jammed Choose pre wash program and start Check if there is 220 240V at import pin of electromagnetic valve Is there open circuit between electromagnetic valve and computer board Choose pre wash program and start then check if there is 220 240V at export pin of electromagnetic valve Failure no draining Troubleshooting Is the height of drain pipe too high Turn filter anticlockwise open and check if filter is jammed Front Load Washing Machine Model HW C 70TVE SERIES Insert the plug well and test gt Replace PCB Open tap or wait for normal water pressure Reconnect inlet pipe Clean filter Replace electromagnetic valve Reconnect the wire EN Replace PCB See fig 2 Adjust the height of drain pipe to 80 100 cm Clean and tighten filter clockwise 23 Haier Front Load Washing Machine Model HW C70TVE SERIES Check if hose connecting cylinder to pump is aman ge Hose ano clean bent or jammed Turn on power and choose spin program to start Measure if import voltage of drain pump is 220 240V Replace drain pump Cut off and check if the connection between Replace the wire drain pump and computer board is open Replace Turn on and choose spin program to See fig 1 PCB start Measure if export voltage of PCB to drain pump is 220 240V F
13. measurer and the Replace the motor winding of the motor is it as followed From up to down The order is M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 the resistance between Mdand M10 is 1 67 1 850 the resistance between M8and M9 is 1 69 1 870 Check the import voltage between M1 wind Replace computer board and M2 wind is it between AC 220 240V 20 Haier Front Load Washing Machine Model HW C70TVE SERIES Error message Motor overheat protection or is damaged Troubleshooting Cut off power and check if motor wires Reconnect well are connected well Put the motor in nomal temperature about Measure if resistance of motor winding by ten pees and dher test apaadi We PE I E E followed resistance is natural it is caused by overheated protection Then check and the M5and M10 is resistance between deal with overload abnormal voltage If 1 67 1 85Q0 the resistance between M8and M9 is 1 69 1 870 not please replace motor Pull out the wire connection of motor and Repair wires computer board Then check if circuit is open by multimeter Turn on power and set spin mode then Replace computer tart Check th t lt start Chec e impor voltage bond between red wire and red wires is it between 220 240V 21 Haier Front Load Washing Machine Model HW C70TVE SERIES Error message Water level exceeds protection value Troubleshooting Clean water switch hose and air
14. ng Attention 8 The washing machine should not be 9 Do not place the washing machine installed outdoors or in a damp directly on a carpet or close to a place In the event of water leakage wal or furniture or splashes allow the machine to dry natural ly 10 Keep away from heat sources and 11 During installation ensure that direct sunlight to prevent plastic and the electric cable is not trapped by rubber components from aging the washing machine and avoid damage to the electric cable If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons y in order to avoid a hazard During Use 1 Before use check the joints of the 2 To select a program simply turn the filling hose the tap and the drainage knob clockwise or counterclockwi se hose for possible problems from water pressure fluctuations If joints are loose or there is leakage turn off the tap and repair Do not use the washing machine until the hose are properly fixed Note That the appliance is to be con nected to the water mains using new hose sets and that old hose sets Should not be used Haier Front Load Washing Machine Model HW C70TVE SERIES Matters Needing Attention 3 Do not place heavy heating source 4 Do not hot wash foam rubber or or wet articles on the top of the sponge like materials washing machine 5 Before washing do up zippers 6 Do not o
15. ors over this button Note Please refer to Guide to Operational Program Selection and Washing Instructions for the required washing temperature and spinning speed for different laundry If you have no specific requirements please use default settings Special Functions 1 Control panel lock function To prevent children from accidentally chanaing the settings Press Delay and Start pause at the same time This function will work and the Lock sian and the remaining program time will appear allternatively When this fuction is on allother buttons are locked press the two button again to unlock 2 Power off memory function this machine has Power off memory function in case of abrupt power failure or the power must be cut off during a program cycle the present settings will be saved and the present operation will resume when the power Is on again Haier Front Load Washing Machine ModelHW C7OTVE SERIES Note 1 1f you want to stop the program setting at first you should pressthe button of start pause only one time Then turn off power If you want to start the program setting again you should turn on the power again so it is ok 2 Switch on the power press the extra rinse button and the rinse hold button at same time the washing machine will be in self check mode 1 When the door switch is closed for ten seconds 88 88 will be displayed 2 When the main wash valve allows water to let in for 3 seconds 77 77
16. pen the detergent distribution buttons and clothes straps and put drawer during the wash cycle small articles such as socks laces or bras into a washing bag or a pillow Steel wires in bras will pop out during Wai S71 l ng Fever Waz bras containing steel Fes T The door is fitted with a self lock B After each wash program turn off device and will not open unti 2 3 the tap to prevent leakage and unplug minutes after the washing machine the washing machine and wipe clean the stops Do not force the door open Do lower part of the portho e not open the door if water level can reach the porthole 9 Keep the door slightly open when the washing machine is not in use to prevent formation of odors do not cover the washing machine with plastic cover so that inside dampness cannot be kept in Haier Front Load Washing Machine Model HW C70TVE SERIES Installation Remove all the packing materials to prevent vibration during use Upon opening of the package water drops may be seen on the plastic bag and the porthole This is normal phenomenon resulting from water test in the factory as shown in Fig 1 Fig 1 Dismantle the packing bolts as shown in Fig 2 The packing bolts are designed for clamping anti vibration components inside of the washing machine during the transportation process Before use 1 Remove the back plate 2 Remove the three packing bolts on the back plate and take out the rubber hos
17. place the broken parts Open the tap or wait for normal water pressure to use Clean inlet valve Ha lef Front Load Washing Machine Model HW C70TVE SERIES Observe if the height of Draw out the dispenser and check if water is entering drain pipe not reach 80 cm If water level 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 Electromagnetic valve must be broken please replace is it between AC 220 240V between the 2 white wire and red wire that they are not it connected Voltage 1s220 240V between white wire and white wire between red wire and red wire The wire connected PCB and inlet valve is not Check if export voltage from computer board 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 Haier Front Load Washing Machine Model HW C70TVE SERIES Error message Motor speed error it may be not properly connected or damaged Troubleshooting M Connect them well and test Cut off power and check if motor wire is connected well Connect them properly and test Check if the wire of motor is connected well with computer board Pull out the motor insert string and check the resistance of motor speed
18. ply by ingress of foreign substances clean the water inlet and inlet filter regularly j 6 If the machine is to be moved to a distant place replace the vibration absorbing locks packing screws rubber gaskets removed before installation to prevent damage as shown below Remove the back cover and Insert the channe steel Insert the rubber bolt take out the three rubber vibration looks gaskets plugs Replace the back cover 7 f the washing machine is left idle for a long period pull out the electrical plug and turn off the water tap pen the door to prevent formation of moisture and odors Let the door open while not used 10 Ha lef Front Load Washing Machine Model HW C70TVE SERIES Net dimension 61CM 84CM 11 Ha lef Front Load Washing Machine Model HW C70TVE SERIES Names of the part Haier Front Load Washing Machine Model HW C70TVE SERIES Operational Functions A Power Switch Press this button to switch on the washing machine Press it again to switch it off B Wash programming knob BY turning the knob clockwise counterclockwise the r quired program can be selected Refer to Guide to Operational Program Selection G Detergent distribution drawer Open the drawer three compartments can be seen Compartment 1 Pre wash detergent Compartment 2 Normal Quick wash detergent Compartment 3 Softener conditioning agent perfume etc
19. uit board FA Interference suppresser MR Door lock NIC lemperature sensor R Heating element PS Drainage pump EVF EVP Water valve 1 on off Haler Front Load Washing Machine Model HW C70TVE SERIES Sincere Forever Haier Group Haier Industrial Park No 1 Road 266101 Qingdao Haier China http www haier com 21
20. unction when programe 1 6 or 8 is selected F Rinse hold button Rinse hold button Touch this button lightly the overhead indicator will go on When the washing machine is at the last rinsing operation it will not drain but to start a soaking cycle If you want to spin the laundry press this button again the indicator will go off and operation will resume Note Select this function when prewash cotton amp linen synthetics single rinse is selected J cerlime button Before a washing program press this button to set the required washing load 1 3 1 2 2 3 FULL the washing machine will automatically adjust the water consumption heating time and washing time Users can select the washing load as required for economical operation Note 1 1 3 FULL refers to the four levels of washing load If the laundry is more than half of the drum content it is recommended to select 2 3 FULL otherwise select 1 3 1 2 2 For synthetics sport you can only select 1 3 1 2 2 3 3 Please adjust the detergent quantity according to the washing load selected K Start Pause button When the washing machine is plugged and a program is selected lightly touch this button to start operation During a wash cycle touch it lightly tne display will begin blinking and operation will stop Touch it again to resume operation L Spinning speed setting button Touch this button lightly to select the desired speed There are speed indicat
21. x optiona rpm 1400 1200 400 Noiselevespin A1 Jd X dBA 709 Energyconsumptionperwashcircle n 1 1 kWh 105 Water consumption 0 51 J Residual dampness spinresut Spin speed selector switch steps rpm Spin speed variator stepless 1 rpm Adjustable thermostat water temp adjust from to C 90 60 50 40 30 Drumcapacity drylaundry water kg l 7 51 Auto water level adjust depending on volume of filled in laundry AWL Mashingtime max min 178 j Washing temperatures program controlled C 30 90 Certifications CE 1809001 1509002 4 CE ISO9001 Approvals VDE GS TUV GS IMA Z o J T V EN 60456 60 cycle full load without pre wash COLD Unidimesions HxWxD cm Netweight ig Voltage frequency 11 d V Hz Inputpower mainfuse intensity WI Worktop removable EE Control M electromechanical E electronic F fuzzy E Innercylinder Sr stainless steel Z zinc coated _ EN Plasti NN MU EN ju EN EN p Da MENS EE EE EN NEN NN EN 0524 JX EN ae Ng a NE mE o e HE ne L e EN e NN R
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