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Service Manual

Drum Washing Machine

Http://global.midea.com.cn

Note:

Before serving the unit,please read this at first,
Always contact wih your service center if meet problem.

Summary of Contents for PWDC191FM

Page 1: ...Service Manual Drum Washing Machine Http global midea com cn Note Before serving the unit please read this at first Always contact wih your service center if meet problem ...

Page 2: ... 1 2 Undo the top cover 4 1 3 Undo the control panel 4 1 4 Undo the lower panel 4 1 5 Undo the door lock 4 1 6 Undo the front panel 4 UNPACKING WAYS OF MAIN PARTS 4 1 Overeview the unpacking step 6 3 1 Malfuction and solution 4 1 11 Undo the pressure switch 4 1 12 Undo the pulley 4 1 13 Undo the upper counterweight 4 1 14 Undo the absorber pin 4 1 15 Undo the filter 4 1 16 Undo the drain pump 4 1 ...

Page 3: ...AGRAM 6 EXPLORED VIEW LIST OF PARTS 5 1 The failure diagnosing and changing components 6 1 5 Door_assembly 6 1 4 Dispenser_assembly 6 1 3 Top cover_sub 6 1 1 Cabinet_sub 6 1 2 Tub_sub 28 30 31 32 33 33 6 1 Explored view of Parts List 29 ...

Page 4: ...he power plug and pullit out Be careful of a fire and electric shock when power cord is damaged 11 Pull out its power plug when this machine doesn t work Be careful of an electric shock and fire because of levin 12 Don t put tinder or sprayer beside the washing machine Be careful of a fire and explosion because of electric spark 13 Don t put a basin of water or wet clothes on the washing machine I...

Page 5: ...ronic water distribution system The machine uses PCB to control the inlet valve and water properly at the different stages and dissolve detergent and softener distribute absolutely to improve washing performance 2 2 Working principle Drum washing machine wash clothes mainly in virtue of mechanical friction chemical force and temperature force When the machine works the motor runs clockwise several...

Page 6: ...o be higher than the water level of the inside the machine Check if the drainage pipe and sewage have been sealed if they have been there will be the poor ventilation to cause the siphonage effect No drainage of the washing machine Check if the drainage pumps is blocked Check if the drainage pipe is bent or blocked Check the height of the drainage nozzle make sure it is 0 6 1 meter from the bottom...

Page 7: ...uld you please 1 To turn the procedure knob to OFF pull out the attachment plug 2 to close the water tap and The washing machine adds water automatically Because there is too much bubble in the tube the washing machine is cleaning the bubble Solution Description The inner barrel water of the washing machine has been drained but there is still a small amount of water in the drainage pump and pipe T...

Page 8: ... Tap is not opened or water flows too slowly Inlet valve filter is blocked Inlet pipe is twisted If water is not supplied Open the tap or wait till the water supply becomes normal Check inlet valve filter Straighten the water pipe Check the other taps in the room Please call up service line if there are still troubles Please call up service line if there are still troubles Outlet hose is blocked o...

Page 9: ...ether NTC is short or open circuit Y Whether the pressure switch is well or not N Y Choosing new heating temperature Y Whether to set up non heating Non heating Whether the heater is well N Change the heater Y Change the control panel Maintenance non heating malfunction 1 3 TROUBLESHOOTING ...

Page 10: ...ogram N Reliable connection The door is invalid and should be replaced lock Y Y Y Y N Door non locked Whether push the start pause button to start theprogram Change the control panel Whether the voltage between harness 1 and harness 3 is about 120v Whether the harness connection between the door lock and the main board is well 3 TROUBLESHOOTING ...

Page 11: ...eaning with brush Change the switch pressure 3 No water inlet or water inlet overtime Whether press start pause button after choosing the program Whether door lock 3 and 2 is connected correctly Whether the voltage between door lock 1 and 3 is120V Whether the electromagnetic valve buzz Whether the connections of inlet valve is well Whether the inlet pipe is fold or the water is cut off Whether the...

Page 12: ...eating beyond the setting temperature its maintenance Change NTC Y Whether the connection is well N Whether NTC is short circuit or open circuit Y 加热过度 Y Change the control panel Over heating 3 TROUBLESHOOTING ...

Page 13: ... Y N Y Y 5 of non drain or drain exceed the setting time Maintenance Whether it is in the state of pause Push start pause button Whether the pump is vibrating Whether the connection between the pump and the main board is loosened Whether the pump is blocked or burned out Whether the filter is blocked Whether the drain pipe is fold or hung too high 3 TROUBLESHOOTING The means of detecting door swit...

Page 14: ...he inlet Y N Reliable connection Y Y N Y N Water inlet overflow Whether the electric connection of pressure switch is normal Change the control panel Whether the water is in without power Whether the gas pipe or the connection is leaking or deadlock Change or revive the gas pipe Whether the switch is well pressure 3 TROUBLESHOOTING ...

Page 15: ...lock is well Y N Change the door lock N Y Y Y Whether the motor is well Whether the connection of main and auxiliary wiring harness is well N Reliable connection Y Whether the inlet is correct N Waiting inlet or inspect overtime water inlet malfunction Whether the switch is well pressure Y Y N Replace it N Replace it Detach strap whether the drum is rotating flexibly 3 TROUBLESHOOTING ...

Page 16: ...me time Maintenance Whether the washer is disposing the foam in the drum Change the control panel N Y Normal phenomenon Y Water inlet and water outlet at the same time Whether the drain hose is hung too low N Y Hang the hose well 3 TROUBLESHOOTING ...

Page 17: ...o the PCB panel 10 Undo the detergent box 11 Undo the inlet valve 12 Undo the pressure 13 Undo the pulley 14 Undo the upper counterweight 15 Undo the absorber pin 16 Undo the filter 17 Undo the drain pump 18 Undo the heater 19 Undo the NTC 20 Undo the door glass 21 Undo the panel support 22 Undo the drum tub assembly 24 Undo the motor Undo the back cover Undo the facade counterweight 23 Undo the a...

Page 18: ...te 2 Undo top cover Undo 2 screws fit between the top cover and back cabinet Push back the top cover 15mm until it leaves away from the control panel and then take it down 3 Undo the control panel Departing the top cover means as above Draw out the detergent drawer Loosen two screws fit on the detergent drawer front Loosen two screws fit on the control panel top ...

Page 19: ...o the door lock Open the door of washing machine Take the outer gasket clamp to the drum Remove two screws on the door lock and take down the door lock Take out the door lock and draw out the plug pay attention to the position of the plug so as not to connect a wrong circuit next time 6 Undo the front plate Undo the control panel methods as followed Undo the door lock cover methods as followed Rem...

Page 20: ...p cover control panel lower cover machine door and the front plate methods as followed Remove the outer gasket clamp between the door seal and the front plate the inner gasket clamp between the door seal and the front of the outer tub and take out the gasket 9 Undo the PCB panel Undo the top cover and control panel methods as followed 7Undo the facade counterweight Undo the front plate methods as ...

Page 21: ...Release the hose clamp and pull out the inlet hose Release the hose clamp and pull out the detergent box hose and then take out the detergent box 11 Undo the inlet valve Remove the top cover methods as followed Undo 4 screws between cabinet and inlet valve Draw out the plug and remove the 6 screws on the PCB box Take out the PCB from the PCB box ...

Page 22: ...te the pressure switch anticlockwise by 90º and then pull out the pressure switch 13 Undo the pulley Undo the back cover methods as followed Rotate the pulley and at the same time pull out the belt and then remove the belt Remove the screw on the pulley and then take down the pulley Release the clamp fixing the inlet valve and the inlet hose and then pull out the inlet hose Take out the inlet valv...

Page 23: ...ve the other one 16 Undo the filter Open the filter cover Rotate the filter knob anticlockwise and then pull out the filter 17 Undo the drain pump Undo the top cover control panel lower cover and front plate methods as followed Nip out clamp between the drain hose and the drain pump and then pull out the drain hose 14 Undo the fan motor Undo the top cover methods as followed Remove six screws fit ...

Page 24: ...circuit next time Release the screw fixing the heater Take out the heater 19 Undo the NTC temperature sensor Undo the top cover control panel lower cover and front plate methods as followed Undo the NTC with special tools Heater NTC In the red circle it is the heater support clamping the heater Nip out the clamp between the outlet hose and the drain pump pull out the outlet hose Loosen the screws ...

Page 25: ...it 22 Undo the drum tub assembly Remove the motor in 24 methods as followed Pull out the heater Remove the belt Remove the screws fixing the pulley and then take out the pulley 20 Undo the door glass Open the door remove two screws fixing the hinge and front plate and then remove the door Remove 12 screws on the inner door Remove the outer door and the inner door with special tool Take out the doo...

Page 26: ...on the back and then pull out the motor wire and grounding wire Use spanner to remove the motor screw and lift up the motor with the other hand in case of falling to the drain pump After one screws are removed change the motor First support it to clasp the correct position then install the screws and then install the belt 减震器销密封条 Pin Airproof Ring Remove the screws fixing the front and rear tub a...

Page 27: ...t is better to eliminate the potential static by grounding the humans or touching the plugs 2 The rated voltage of the SCR in PCB is 120V so it s possible to be electrical shock Please take care while strong and weak electricity is alternative 3 The design of PCB is out of failure so prohibit to change the PCB panel according to its alarm Please do it according to the failure diagnose program POWE...

Page 28: ...5 2 The circuit program wiring connection figure 5 TROUBLESHOOTING P 28 ...

Page 29: ...d view of Parts List 1 Electric_Filter 2 Wrap 3 Water_Level_Sensor 4 Drain_pipe 5 Pneumatic Catheter 6 Lint_Filter _Door 7 Service Panel 8 Leg_Sub 9 Water_ Inlet_Pipe_Kit 10 Transport Bolt Kit 11 Rear_ Cover 12 Spring Hanger 13 Suspension Spring 14 Water_ Inlet_ Valve 15 Water_ Inlet_ Valve 16 Top_ Bracket ...

Page 30: ...oling water pipe 25 Tub_Seal 26 Drum Kit 27 Front_Tub 28 Gasket_Clamp 29 Door_Gasket 30 Gasket_Spring_Clamp 31 Front_Left_Counterweight 32 Front_Right_Counterweight 33 Heater 34 Heating tube scaffold 35 Temperature sensor 36 Drain_Hose_Clamp 37 Pump 38 Drainage pump clamp 39 Tub_Drain_Hose 40 Damper_Pin 41 Damper 42 Motor stator 43 CIM Motor 44 Inverter 45 The Support Of Inverter 46 Reactor 47 The...

Page 31: ...iew of products 6 EXPLORED VIEW LIST OF PARTS 3 Top cover_sub 48 Control Panel Sub 48 1 Control_Panel 48 2 Button_Sub_1 48 3 Button_Sub_2 48 4 PC Board Box Front Cover 48 5 PC Board Box Cover 48 6 Start_Pause_Button 48 7 PCB 49 Top_Cover_Board 50 Cycle_Select_Knob ...

Page 32: ... 32 2 Overview of products 6 EXPLORED VIEW LIST OF PARTS 4 Dispenser_assembly 51 water_inlet_pipe1 52 water_inlet_pipe2 53 Hose Clamp 54 Drawer Kit 55 Drawer_Handle 56 Tub Water Inlet Hose 57 Main_box Kit 58 water_inlet_pipe3 ...

Page 33: ...60 Door Sub 60 1 Door Glass 60 2 Inner Ring 60 3 Protect_cover 60 4 Outer_Frame 60 5 Protect_cover 60 6 Door_Plunger_Spring 60 7 Pin_3X45 60 8 Door_plunger_stand 60 9 Pin_3X35 60 10 Door_Hinge_Pin_Cover 60 11 Door Hinge 60 12 Door Plunger 60 13 Door Handle 61 Door Lock 62 Door Support Plate ...

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