Haier HW70-1201-U, Service Manual

Page 1: ...s 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 HW70 1401 F Front Load Washing Machine Order No FL1004S002V1 1 WARNING All rights reserved Unauthorized copying and distribution is a violatio...

Page 2: ...uction_____________________________________________ Chapter 6 Washing Mathods________________________________________________ 6 1 Loading____________________________________________________________ 6 2 Adding detergent ____________________________________________________ 6 3 Selecting washing program ____________________________________________ Chapter 7 Appearance brief introduction _____________...

Page 3: ...____________________________________________________ ˍ Chapter 10 Error Display and troubleshooting _________________________________ ˎˌ 10 1 Error Display_______________________________________________________ ˎˌ 10 2 Examination Troubleshooting ________________________________________ ˎˑ 10 2 1 Display nothing__________________________________________________ ˎˑ 10 2 2 No water inletting _______...

Page 4: ...ed 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 inst...

Page 5: ...se of water heavy during washing consequently upgrade the energy efficiency class to A also use scientific washing 3 Multi gear speed controller According to different costumingˈyou can select corresponding spin speedˈfrom 0 to 1400 rpm 4 Unique gasket design featuring no residual water hidden inside By the unique gasketˈwashing machine can left no residual water hidden between outer drum and fron...

Page 6: ...undry water kg l 7 49 Auto water level adjust depending on volume of filled in laundry AWL l Washing time max min 196 Washing temperatures program controlled C 30 40 60 90 Certification s CE CE Approvals VDE GS TÜV GS IMQ CE VDE 2 per average 200 wash cycles EN50242 T COLD 3 Basics data Unit dimensions H x W x D mm 850 595 600 Net weight kg 70 Voltage frequency V Hz 220V 240V 50Hz Input power main...

Page 7: ... z Single Spin n z Single Drain Single Wash Optional function keys additional program settings ON OFF z Start Pause z Delay z Extra Rinse z Rinse Hold or Soak Eco Time Spin Select z Temperature Select z Baby Care Cold wash Super Wash Pre wash 5 Easy ironing Packing dimensions loadability Packing dimensions H x W x D mm 895 650 650 Gross weight kg 73 6 40 Container load pcs 162 Logistic recicling i...

Page 8: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine Chapter 3 Matters needing attention 3 1 Safety ...

Page 9: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine 3 2 During Use ...

Page 10: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍˌ Chapter 4 Operational Guidance ...

Page 11: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍˍ ...

Page 12: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍˎ Chapter 5 Program Introduction ...

Page 13: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍˏ Chapter 6 Washing Mathods 6 1 Loading 6 2 Adding detergent 6 3 Selecting washing program ...

Page 14: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍː Chapter 7 Appearance brief introduction 7 1 Name of parts ...

Page 15: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine 7 2 Net dimension 595 600 850 height 850mm width 595mm depth 600mm ...

Page 16: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍ Chapter 8 Disassembly and Installation 8 1 Remove packing materials 8 2 Dismantle packing bolts 8 3 Adjusting the washing machine ...

Page 17: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˍ 8 4 Joining the Inlet Hose to the Washing Machine 8 5 Drainage Hose 8 6 Connecting to the Power Supply ...

Page 18: ...1 Front Load Washing Machine Chapter 9 Wiring circuit and Self check 9 1 Wiring circuit FUSE FUSE PCB MR MRC MRN L N MRL 1 2 1 2 2 1 1 2 2 1 0 0 0 0 0 0 0 0 0 T R FA L G N FA1 FA3 1 2 R NTC Water level sensor Motor EVP PS EVF ...

Page 19: ...n the inner drum runs for ten seconds with the speed of 400rpm at this time and for ten seconds with the speeds of 800rpm 44 44 will be displayed When the self check program is completed End will be displayed Model selection When the display board on the control panel is replaced technician need to select the correct model according with the model name on the washing machine 1 Press the extra rins...

Page 20: ...ose 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 Replace PCB Cut off the power and then turn on again Check the voltage between brown wire and blue wire of door lock is ...

Page 21: ... be broken please replace it 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 The control wire may be broken Otherwise the PCB must be broken Please replace the broken N Replace PCB Check the white wire and black wire of NTC are they connected well Connect all wires well Disconnect the wh...

Page 22: ...ectromagnetic valve by multimeter is it between AC 220 240V Electromagnetic valve must be broken please replace it N Check if tap is closed or water pressure is too low usual between0 2 1 MPa Open the tap or wait for normal water pressure to use The wire connected PCB and inlet valve is not properly Please reconnect it or replace it Y Y Y Y Y Check if water is leaking from washer bottom Inlet pipe...

Page 23: ...eal with overload abnormal voltage If not please replace motor Repair wires Pull out the wire connection of motor and driving computer board Then check if circuit is open by multimeter Y Reconnect well Y Measure if the resistance of motor binding by multimeter is it as followed 5 10 1 78 8 Ω at 20 C 8 9 1 90 8 Ω at 20 C N N Put the motor in normal temperature about ten minutes and then test again ...

Page 24: ...nnect inlet pipe to inlet valve then open the tap and observe if water is entering in dispenser Y Replace inlet valve Check if the pipe connected to the water level sensor is jammed 10 2 5 Water transducer Troubleshooting Readjust it Y Check if water transducer connect line not hard up N Readjust it Y Check if water transducer connect tube not hard up N Replacing it Y Check if water transducer if ...

Page 25: ...Reconnect inlet pipe N Check if filter of electromagnetic valve is jammed Clean filter Choose pre wash program and start then check if there is 220 240V at export pin of electromagnetic valve Is power switch on Y Y N Insert the plug well and test N Press power switch and check the voltage between two pins of power switch Is there 220 240V AC voltage N Make sure power supply cable assembly is conne...

Page 26: ... there is different noise from motor Check if hose connecting cylinder to pump is bent or jammed Turn on power and choose spin program to start Measure if import voltage of drain pump is 220 240V Cut off and check if the connection between drain pump and PCB is open Replace drain pump Replace the wire N Replace PCB Is belt loose or worn Remove belt and turn belt pulley by hand and then check if th...

Page 27: ...outer cylinder Remove clothes Y Y Check if water is leaking from the inlet pipe or the tap N 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 and valve dispenser tube and dispenser outer cylinder cushion of sight window hose and outer cylinder drain pump and gas valve Y Y Repla...

Page 28: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˎ Chapter 11 Maintenance ...

Page 29: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˎ ...

Page 30: ...SERVICE MANUAL HW70 1401 Front Load Washing Machine ˏˌ Sincere Forever ...