Midea WQP6-3705-AU How to use

1
TechnicalServiceGuide
Compact Dishwasher 6settings）
MODELSERIES: WQP6-3705-AU
IMPORTANT SAFETYNOTICE
The information inthisservice guide isintended foruse byindividualspossessing adequatebackgrounds of
electrical, electronic, and mechanicalexperience.Anyattempt torepair amajor appliance mayresult inpersonal
injuryand propertydamage.The manufacturer or seller cannot be responsiblefor the interpretation ofthis
information, nor canit assumeanyliabilityinconnection withitsuse.
WARNING
Toavoidpersonalinjury, disconnect power beforeservicing thisproduct. Ifelectricalpower isrequiredfordiagnosis
or test purposes, disconnect the power immediatelyafter performing the necessarychecks.
RECONNECTALLGROUNDINGDEVICES
Ifgroundingwires, screws, straps, clips, nuts, or washersused tocompleteapathtoground areremoved for
service, theymust be returned totheir originalposition and properlyfastened.
MIDEACONSUMER PRODUCTS
TECHNICAL SERVICE GUIDE
COPYRIGHT. 2014
ALL RIGHTS RESERVED.THISSERVICE GUIDE MAY NOT BE REPRODUCED INWHOLE OR INPART,INANY FORM,WITHOUT
WRITTEN PERMISSION FROMTHE MIDEA DISHWASHER MANUFACTURING COMPANY.
CONTENTS
Introduction.............................................................................................................................................................3
Specification...........................................................................................................................................................3
ControlPanelFeatures.........................................................................................................................................3
Component Locator Views...................................................................................................................................4
Dishwasher Components.....................................................................................................................................5
Maincontrolboard.........................................................................................................................................6
Floater assembly...........................................................................................................................................7
Heating pumpmotor assembly....................................................................................................................7
Heating pumpassembly...............................................................................................................................8
Motor assembly..............................................................................................................................................9
Drainpumpassembly.................................................................................................................................10
Checkplate...................................................................................................................................................11
Inlet valve......................................................................................................................................................11
Controlpanel................................................................................................................................................12

2
Operatingboard...........................................................................................................................................13
Outer Door....................................................................................................................................................13
Dispenser......................................................................................................................................................14
Inner Door.....................................................................................................................................................14
Shell...............................................................................................................................................................15
Doorlockassembly.....................................................................................................................................16
Air breaker....................................................................................................................................................16
Hinge assemblyand springsystem..........................................................................................................17
Tankassembly.............................................................................................................................................18
.....................................................................................................................................................19
Troubleshooting.....................................................................................................................................................21
Test program

3
WQP6-3705-AU compactelectricaldishwasherwith6washing cyclesoffersgood washing
performancetosatisfyeverywashing requirement. Itselectroniccontroliseasyand convenientto
operate.The rackcanholdup to6setsofdishes.The size(width*depth*height: 550mm*
500mm*438mm)can easilyfitinanycornerofthe kitchen,and itsrecommendedtolocateat
which the water hose connectionisaccessible.
Rated voltage: 220~240V/ 50Hz
Rated power: 1170-1380W
Water pressure: 0.04~1.0MPa
Water temperature: maximum60
Capacity: 6settings
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 ) .
Rinse Aid Warning Light : To be on when the
rinse aid dispenser needs to be refilled.
.8
Faucet Light : To be on when the faucet is opened.
13
2
4
56
8
7
Power indicator
Program Button : To press the button to choose
the programme.
Program indicator explains as below:
Intensive
Heavy
ECO
Glass
90Min
Rapid

4
FrontView
Part Name:1
outer door
InteriorView(with basket)
Part Name:1
cutlerybasket 2
basket 3
dispen
ser
4
innerd
oor
Component LocatorViews
1
2
3
4
1

5
InteriorView(With BasketRemoved)
Part Name:1
Nut of air break
er
2
Sprayer
3
BackView
Part Name:1
Bottomboard 2
Powercord 3
Inlet hoseconnect
er
4 Outerdrainhose
Note:Throughout thismanual, features and appearance may varyfromyour model.
WARNING: Always turnoffthe electricpowersupplybeforeservicing any electricalcomponent,
making ohmmeter checks,or replacing any parts.
Note: Allvoltagechecksshouldbe made withavoltmeterhaving afull scalerange of250volts
DishwasherComponents
1
2
1
2
3
4
3
FilterSystem

6
orhigher.Afterservice iscompleted,be sureall safetygrounding circuitsarecomplete,
all electricalconnectionsaresecure, andallaccess panelsareinplace.
The maincontrolboardcontrolsallelectricalelementsinthe dishwashermachine.It located in
the protecting boxinthe bottomofdishwashermachine.And iteasyisreplaced when itcannot
work.
Removal and Replacement
1.Disconnect power supply.
2.Takeoff cutlerybasket, basket and filtersystem.
3.Turnthe dishwasher machine.And unfixallsnapsfor fixingcover ofbottomboard
.
Part Name:1
cover
of
bottomboard
4.Pull outall housings and terminals(includingsomelockingterminals), thenunfixallsnaps
for fixing maincontrolboard.
Part name:1 protecting box2 maincontrol board
Note: markall housings and terminals positionsand colorsbeforepulling out them.
Note: someterminalsarelocking terminals.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnectswell.
Maincontrol board
1
1
2
snap
s

7
Part Name:1
coverof bottomboard 2
microswitch
3 floaterholder4 floater
Removal and Replacement
1. Remove coverof bottomboard. (see maincontrol board removaland replacement)
2.Pull out all terminalsofmicroswitch.
3.Unfit snapsfixing microswitch tofloater holder.
4.Unfit snapsfixing floater holder tocover ofbottomboard.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Floaterassembly
Heating pumpmotor assembly
2
1
3
4
Terminlals
Sn
aps
Sn
aps

8
Part Name:1
heatingpumpassemb
ly
2
lowerpumpcover
3 motorassembly4 motorhunger
Removal and Replacement
1.Remove coverof bottomboard. (see maincontrol board removaland replacement)
2.Pull out all terminalsofheating pumpmotor assembly.
Part Name:1 motorhunger
3.Removeclampsfixing heating pumpmotor assemblytosumpofbottomboard.
4.Unfitmotor hungersfixing heating pumpmotor assemblytobottomboard.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Heating pump assembly
2
1
3
4
Clamps
Terminals
Terminals
1

9
Part Name:1
upperpumpcov
er
2
heatingelement
3 pressureswitchassembly
Removal and Replacement
1.Takeoutheatingpumpmotorassemblyfromthe dishwashermachine. (see mainheating
pumpmotorassembly removalandreplacement)
2.Unfit snap ofheating pumpassembly, and contrarotateheating pumpassembly.
3.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Motor assembly
2
1
3
Sn
ap

10
Part Name:1
motorhung
er
2
impellerassembly3
pumpseal ring
4 lowerpump5 motorassembly
Removal and Replacement
1.Takeoutheating pumpmotorassemblyfromthe dishwashermachine. (see mainheating
pumpmotorassembly removalandreplacement)
2. Disassembleheating pumpmotorassembly.(see heatingpumpassembly removaland
replacement)
3.Takeouttwomotorhungers,and removescrewsforfixing impellerassemblyand lower
pumptomotor assembly.
4.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Removal and Replacement
1.Remove coverofbottomboard. (see maincontrolboard removaland
replacement)
Drainpump assembly
2
1
3
5
Screws 4

11
2.Pull out all terminalsofdrainpumpassembly.
3.Unfit snap ofdrainpumpassembly, and contrarotatedrainpumpassemblytotake it out.
4.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Removal and replacement
1.Remove coverofbottomboard. (see maincontrolboard removaland
replacement)
2.Removeclamp fixinginnerdrainhose to bottomboard, and pullit out .
Part Name:1 innerdrainhose2 check plateassembly
3.Pull out checkplatefromcheckplateholder, and replaceanew checkplate.
4.Reverse the aboveproceduretoinstall.And checkout all connectorsconnectswell.
Removal and Replacement
1.Remove coverof bottomboard. (see maincontrol board removaland replacement)
2.Pull out all terminalsofinlet valve.
Check plate
Inletvalve
Terminals
Sn
ap
1
2

12
3.Removeclampforfixingconnectinghose toinletvalve,and contrarotateinletvalvetotake it
out.
4.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
The outer door coversthedoor tothe dishwasher and protectsthe detergent dispenser.
Removal and Installation
1.Open the door ofdishwasher.And removeallscrewsfor fixing controlpanel.
2.Removescrew, and unfixall snapsfor fixing the pcbcover，then takeout operating board.
Part Name: 1
Control panel 2
operating board
3.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Control Panel
Clamps
Terminals
Screws
1
2

13
Removal and Replacement
1.Disconnect power supply.
2.Removeall screwsforfixing controlpanel. (see control panel removaland installation)
3.Put out allhousings for connecting operating board.
4.Removescrewandunfixallsnapsforfixing theoperating board. (see controlpanel
removaland installation)
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
The outer door coversthedoor tothe dishwasher and protectsthe detergent dispenser.
Removal and Installation
1.Open the door ofdishwasher.And removeallscrewsfor fixing outer door.
2.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
FrontView(withouterdoorassemblyremoved)
Part Name: 1
streamresistant cotton 2
dispen
ser
3
soundabsorbing
cotton4 doorhinge(left) 5 doorhinge(right) 6 rodfordoor
hinges 7 kick board
Operating board
OuterDoor
5
1
2
3
4
6
7
Screws

14
The dispenserautomaticallydispenses boththe detergentand the rinse agentatthe appropriate
times.The dispenser isactivated twice during awashcycle.
The firsttime,the dispenserisactivated, thelever slides up theright-hand pathof the
connecting rod.Thisaction moves thecovercatch andreleases the detergentcover.When
deactivated,the leverresetstorestunderthe notch inthe centerof theconnecting rod.When
activated forthe secondtimeinacycle,the leverlifts theconnectingrod bythe notch,lifting
the rinsedispenser plunger and releasing therinseagent. When deactivated,the leverreturns
toitsoriginalstarting position. Themagneticsensor isconnected torinseaidwarning lightat
controlpanelbywires.When the indicator lightsup,it shouldadd morerinseaid.
Part Name:1
covercatch 2
detergent powercompartment
3 cover4 sight glass5 rinse agent cap
6 detergent tablet compartment
Part Name:1
electromagneticvalve2
lever
3 plunger4 connecting rod
5 magneticsensor
Removal and Replacement
1.Removeouter door assembly. (see outerdoor removaland installation)
2.Pull out all terminalsofdispenser.Then removeallscrewsfor fixing dispenser.
Part Name:1
dispenserbrackets 2
dispens
er
3.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Caution: Inner door of edges aresharp.
InnerDoor
Dispenser
5
1
2
3
4
6
4
1
2
3
5
terminals
2
1
Screws

15
Removal and Replacement
1.Removeouter door assembly. (see outerdoor removaland installation)
2. Removecontrolpanel.(see control panel removaland installation)
3. Removedispenser. (see dispenser removaland replacement)
4.Removeall screwsforfixing inner door toright hingeassemblyand left hinge assembly.
5.Removedispenser. (see dispenser removaland replacement)
6.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Removal and Installation
1.Removeall screwsforfixing shell withtankand bottomboardassemblyinthe rearof
dishwasher machine.
2.Pushthe shell fromfront toback.Andtakeit awayfromthe machine.
3.Reverse the aboveproceduretoinstall.And checkout all connectorsconnectswell.
Top View(with shellremoved)
Shell
Screws
Screws

16
Part Name:1
doorswitchassemb
ly
2
absorb
er
3
4
backboard
Removal and Replacement
1.Disconnect power supply.
2.Removeshell. (see shell removaland installation)
3.Unfit snap ofdoorlockassembly, and pushit out.
4.Pull out all terminalsofmicroswitch fixed onthe door lockassembly.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Removal and Replacement
1.Remove shell. (see shell removaland installation)
2.Takeout absorbingcotton, upperbasket and lowerbasket.
3.Contrarotatenut ofair breaker and take out it.
4.Pull out terminalofair breaker, and unfit snapsofair breaker fixing onsoftener.
DoorLock Assembly
A
ir breaker
1
2
3
4
Sn
ap
Locki
ng
terminals
clamps

17
5.Turnthedishwasher machine,removethe coverofbottomboard.(see maincontrolboard
removaland installation)
6.Removeall clampsfor fixing connecting hoses toair breaker.
7.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Part Name:1 spring holder2 spring3 friction strip4 absorbing cotton
5 hingeassembly
Removal and Replacement
1.Remove shell. (see shell removaland installation)
2.Takeout absorbingcotton.
3.Takeoff spring holder fromthe slot ofbottomboard.
Caution: Thisoperationmust be morecarefully, it iseasy tobe injured by thefriction strip.
Hingeassemblyand Spring system
snap
1
2
3
4
5

18
4. Remove all screwsfor fixing hinge assemblytobottomboard.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Removal and Installation
1.Remove shell. (see shell removaland installation)
2.Takeout absorbingcotton.
3.Removeair breaker. (see airbreaker removalandreplacement)
4.Removeall screwsforfixing tankassemblytobottomboard.
5.Reverse the aboveproceduretoinstall.And checkout all connectorsconnected well.
Tankassembly
Screws
Screws

Test Program
During test program running you can press Program button to jump into
next step except inlet valve step
,
().
How to activate Test Program
In order to check the operation of components of appliance and find out the malfunction, we
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 start the Test Program.
E1
E3
E4
E6
E7

Test Program
No. Process
0 Intialization
1 Inlet Valve
2Washing Pump
and Heating
Element
3Washing Pump
and Dispenser
4static
5DrainPump
6 finish
Procedure of Test Program (for models controlling water filling by flowmeter)
Display on
the screen
05 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 Drain for 30s.
Running fan closed after 10 seconds
20