Midea WQP6-3705-AU Service Manual

1

Technical Service Guide

Compact Dishwasher （6 settings）

MODEL SERIES: WQP6-3705-AU

IMPORTANT SAFETY NOTICE

The information in this service guide is intended for use by individuals possessing adequate backgrounds of
electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal
injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this
information, nor can it assume any liability in connection with its use.

WARNING

To avoid personal injury, disconnect power before servicing this product. If electrical power is required for diagnosis
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 GUIDE MAY NOT BE REPRODUCED IN WHOLE OR IN PART, IN ANY FORM, WITHOUT

WRITTEN PERMISSION FROM THE MIDEA DISHWASHER MANUFACTURING COMPANY.

CONTENTS

Introduction ............................................................................................................................................................. 3

Specification ........................................................................................................................................................... 3

Control Panel Features ......................................................................................................................................... 3

Component Locator Views ................................................................................................................................... 4

Dishwasher Components ..................................................................................................................................... 5

Main control board ......................................................................................................................................... 6

Floater assembly ........................................................................................................................................... 7

Heating pump motor assembly .................................................................................................................... 7

Heating pump assembly ............................................................................................................................... 8

Motor assembly .............................................................................................................................................. 9

Drain pump assembly ................................................................................................................................. 10

Check plate ................................................................................................................................................... 11

Inlet valve ...................................................................................................................................................... 11

Control panel ................................................................................................................................................ 12

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

3

WQP6-3705-AU compact electrical dishwasher with 6 washing cycles offers good washing
performance to satisfy every washing requirement. Its electronic control is easy and convenient to
operate. The rack can hold up to 6 sets of dishes. The size (width * depth * height: 550mm *
500mm * 438mm) can easily fit in any corner of the kitchen, and it’s recommended to locate at
which the water hose connection is accessible.

Rated voltage: 220~240V / 50Hz
Rated power: 1170-1380W
Water pressure: 0.04~1.0MPa
Water temperature:

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 ) .

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.

1

3

2

4

5

6

8

7

Power indicator

Program Button : To press the button to choose
the pro gramme.

Program indicator expla ins as belo w:

Intensi ve
Heavy
ECO
Glass
90Min
Rapid

4

Front View

Part Name:1 – –

outer door

–

Interior View (with basket)

Part Name: 1

–

cutlery basket 2 – basket 3 – dispen

ser

4 – inner d

oor

Component Locator Views

1

2

3

4

1

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

6

or higher. After service is completed, be sure all safety grounding circuits are complete,
all electrical connections are secure, and all access panels are in place.

The main control board controls all electrical elements in the dishwasher machine. It located in
the protecting box in the bottom of dishwasher machine. And it easy is replaced when it cannot
work.

Removal and Replacement

1. Disconnect 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’ positions and colors before pulling out them.
Note: some terminals are locking terminals.

5. Reverse the above procedure to install. And check out all connectors connects well.

Main control board

1

1

2

snap

s

7

Part Name: 1

–

cover of bottom board 2 – microswitch

3 – floater holder 4 – floater

Removal and Replacement

1. Remove cover of bottom board. (see main control 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

Sn

aps

Sn

aps

8

Part Name: 1

–

heating pump assembly 2 – lower pump cover

3 – motor assembly 4 – motor hunger

Removal and Replacement

1. Remove cover of bottom board. (see main control board removal and replacement)

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