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Midea WQP6-3705-AU, Technical Service Manual, Page: 5 / 26

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Midea WQP6-3705-AU Technical Service Manual Download Page 5

 

5 

 

Interior View (With Basket Removed) 

 

Part Name: 1 

–

Nut of air breaker   

–

 

 

2

–

Sprayer   

 

3

–

 

Back View 

 

Part Name: 1 

–

Bottom board    2 

–

Power cord    3 

–

Inlet hose connecter     

4 

–

 Outer drain hose

 

 

 

Note

: Throughout this manual, features and appearance may vary from your model. 

WARNING

: 

Always turn off the electric power supply before servicing any electrical component, 

making ohmmeter checks, or replacing any parts. 

Note

: 

All voltage checks should be made with a voltmeter having a full scale range of 250 volts 

Dishwasher Components 

1 

 

2 

1 

2 

3 

4 

3 

Filter System 

Summary of Contents for WQP6-3705-AU

Page 1: ...or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and properly fastened MIDEA CONSUMER PRODUCTS TECHNICAL SERVICE GUIDE COPYRIGHT 2014 ALL RIGHTS RESERVED THIS SERVICE ...

Page 2: ...2 Operating board 13 Outer Door 13 Dispenser 14 Inner Door 14 Shell 15 Door lock assembly 16 Air breaker 16 Hinge assembly and spring system 17 Tank assembly 18 19 Troubleshooting 21 Test program ...

Page 3: ...erature maximum 60 Capacity 6 settings Note all models have different control panel features and appearances All detail can be referred to user manuals of the model Control Panel Features Specification Introduction 1 2 3 4 7 Power Button To turn on off the power supply Delay Button To press the button to delay Display screen To show the reminding time and the state running state delay time etc Rin...

Page 4: ...4 Front View Part Name 1 outer door Interior View with basket Part Name 1 cutlery basket 2 basket 3 dispenser 4 inner door Component Locator Views 1 2 3 4 1 ...

Page 5: ... hose Note Throughout this manual features and appearance may vary from your model WARNING Always turn off the electric power supply before servicing any electrical component making ohmmeter checks or replacing any parts Note All voltage checks should be made with a voltmeter having a full scale range of 250 volts Dishwasher Components 1 2 1 2 3 4 3 Filter System ...

Page 6: ...ect power supply 2 Take off cutlery basket basket and filter system 3 Turn the dishwasher machine And unfix all snaps for fixing cover of bottom board Part Name 1 cover of bottom board 4 Pull out all housings and terminals including some locking terminals then unfix all snaps for fixing main control board Part name 1 protecting box 2 main control board Note mark all housings and terminals position...

Page 7: ...rol board removal and replacement 2 Pull out all terminals of microswitch 3 Unfit snaps fixing microswitch to floater holder 4 Unfit snaps fixing floater holder to cover of bottom board 5 Reverse the above procedure to install And check out all connectors connected well Floater assembly Heating pump motor assembly 2 1 3 4 Terminlals Snaps Snaps ...

Page 8: ...lacement 2 Pull out all terminals of heating pump motor assembly Part Name 1 motor hunger 3 Remove clamps fixing heating pump motor assembly to sump of bottom board 4 Unfit motor hungers fixing heating pump motor assembly to bottom board 5 Reverse the above procedure to install And check out all connectors connected well Heating pump assembly 2 1 3 4 Clamps Terminals Terminals 1 ...

Page 9: ...out heating pump motor assembly from the dishwasher machine see main heating pump motor assembly removal and replacement 2 Unfit snap of heating pump assembly and contrarotate heating pump assembly 3 Reverse the above procedure to install And check out all connectors connected well Motor assembly 2 1 3 Snap ...

Page 10: ...replacement 2 Disassemble heating pump motor assembly see heating pump assembly removal and replacement 3 Take out two motor hungers and remove screws for fixing impeller assembly and lower pump to motor assembly 4 Reverse the above procedure to install And check out all connectors connected well Removal and Replacement 1 Remove cover of bottom board see main control board removal and replacement ...

Page 11: ...board removal and replacement 2 Remove clamp fixing inner drain hose to bottom board and pull it out Part Name 1 inner drain hose 2 check plate assembly 3 Pull out check plate from check plate holder and replace a new check plate 4 Reverse the above procedure to install And check out all connectors connects well Removal and Replacement 1 Remove cover of bottom board see main control board removal ...

Page 12: ...r to the dishwasher and protects the detergent dispenser Removal and Installation 1 Open the door of dishwasher And remove all screws for fixing control panel 2 Remove screw and unfix all snaps for fixing the pcb cover then take out operating board Part Name 1 Control panel 2 operating board 3 Reverse the above procedure to install And check out all connectors connected well Control Panel Clamps T...

Page 13: ...d check out all connectors connected well The outer door covers the door to the dishwasher and protects the detergent dispenser Removal and Installation 1 Open the door of dishwasher And remove all screws for fixing outer door 2 Reverse the above procedure to install And check out all connectors connected well Front View with outer door assembly removed Part Name 1 stream resistant cotton 2 dispen...

Page 14: ...ever returns to its original starting position The magnetic sensor is connected to rinse aid warning light at control panel by wires When the indicator lights up it should add more rinse aid Part Name 1 cover catch 2 detergent power compartment 3 cover 4 sight glass 5 rinse agent cap 6 detergent tablet compartment Part Name 1 electromagnetic valve 2 lever 3 plunger 4 connecting rod 5 magnetic sens...

Page 15: ...ft hinge assembly 5 Remove dispenser see dispenser removal and replacement 6 Reverse the above procedure to install And check out all connectors connected well Removal and Installation 1 Remove all screws for fixing shell with tank and bottom board assembly in the rear of dishwasher machine 2 Push the shell from front to back And take it away from the machine 3 Reverse the above procedure to insta...

Page 16: ... fixed on the door lock assembly 5 Reverse the above procedure to install And check out all connectors connected well Removal and Replacement 1 Remove shell see shell removal and installation 2 Take out absorbing cotton upper basket and lower basket 3 Contrarotate nut of air breaker and take out it 4 Pull out terminal of air breaker and unfit snaps of air breaker fixing on softener Door Lock Assem...

Page 17: ...heck out all connectors connected well Part Name 1 spring holder 2 spring 3 friction strip 4 absorbing cotton 5 hinge assembly Removal and Replacement 1 Remove shell see shell removal and installation 2 Take out absorbing cotton 3 Take off spring holder from the slot of bottom board Caution This operation must be more carefully it is easy to be injured by the friction strip Hinge assembly and Spri...

Page 18: ...d well Removal and Installation 1 Remove shell see shell removal and installation 2 Take out absorbing cotton 3 Remove air breaker see air breaker removal and replacement 4 Remove all screws for fixing tank assembly to bottom board 5 Reverse the above procedure to install And check out all connectors connected well Tank assembly Screws Screws ...

Page 19: ...e designed this program for technician How to activate Test Program With door opened Program Power Start Test Program Close the door Jump into next step Program E1 E3 E4 E6 E7 Test Program Operation 19 To activate test program with the door opened and within 60s after power on hold down the Program button and press the POWER button until the machine enter into Test Program Then close the door to s...

Page 20: ...or Turbidity value 03 Description 8 88 Power on stand by Open inlet valve and feeds with 1 9L wate 04 Temper ature value Run washing pump and 10s later run heating element until the water temperature reaches 57 Then the machine will pause Press Program button to jump into the next step F Buzz one sound stop and stand by washing pump for 10s dispenser will act for 45s in this step static 30s 02 01 ...

Page 21: ...will be stopped immediately At the same time the buzzer will alarm for 30 seconds and the error 3 will be shown E4 Overflow In test program once open circuit failure of thermistor is detected by controller the E6 would occur When E6 occurs the drain pump will run until flowmeter keep motionless for 2 minutes and all the other components will be stopped immediately At the same time the buzzer will ...

Page 22: ...ler the E7 would occur When E7 occurs the drain pump will run until flowmeter keep motionless for 2 minutes and all the other components will be stopped immediately At the same time the buzzer will alarm for 30 seconds and error 7 will be shown E7 Short circuit failure of thermistor ...

Page 23: ...a check of Drain Hose OK Is there any water in the Tub Reconnect the wire of Inlet Valve circuit and check again OK Still wrong Replace the Inlet Valve to solve problem Make a check of Inlet Hose solve the problem Inlet Hose is blocked or kinked OK Failure Failure Make a check of inlet hose of AQUASTOP only for the dishwasher with AQUASTOP device Replace it to solve the problem Failure Hang correc...

Page 24: ...eater circuit and check again OK Still wrong Replace the Inlet Valve to solve problem Check whether the Washing Pump circuit is correct or not mentioned in section 4 Reconnect the wire of Washing Pump circuit and check again Not solve the problem OK Replace the Washing Pump to solve problem Still wrong OK Reconnect the wire of NTC circuit and check again solve the problem OK Replace the NTC to sol...

Page 25: ...her with a strong or standard wash program as a leakage could easily repeat at a higher temperature and after a long period of running time Observe the bottom tray every twenty minutes If any water appears you will found out which areas such as motor drain pump sump softener and hoses between them and also clips at the end of each hose besides the weld seam at the bottom of the tub If hours passed...

Page 26: ...tor Check whether the NTC circuit is correct or not mentioned in section 4 Reconnect the wire of Flowmeter circuit and check again Not solve the problem OK Replace the NTC to solve problem Still wrong E6 E7 Tree If the problem has not been solved through all the inspection mentioned above maybe the PCB has a malfunction So replace PCB and test again Caution Because the real situation is unpredicta...

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