Midea WQP6-3305E series Technical Service Manual
Midea WQP6-3305E series Technical Service Manual

Midea WQP6-3305E series Technical Service Manual

Compact dishwasher ?6 settings?

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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.
A
LL RIGHTS RESERVED
WRITTEN PERMISSION FROM THE MIDEA DISHWASHER MANUFACTURING
CONTENTS
Introduction ............................................................................................................................................................. 3 
Specification ........................................................................................................................................................... 3 
Control Panel Features  . ........................................................................................................................................ 3 
Component Locator Views ................................................................................................................................... 3 
Dishwasher Components ..................................................................................................................................... 5 
Main control board  . ........................................................................................................................................ 5 
Outer Door ...................................................................................................................................................... 6 
Dispenser  . ....................................................................................................................................................... 7 
Door Handle Assembly ................................................................................................................................. 8 
Microswitch (door handle assembly) .......................................................................................................... 9 
Inner Door ....................................................................................................................................................... 9 
Shell ................................................................................................................................................................. 9 
Operating board ........................................................................................................................................... 10 
Air Breather Assembly ................................................................................................................................ 11 
Siphon ........................................................................................................................................................... 11 
Pressure switch  . ........................................................................................................................................... 12 
Tank assembly ............................................................................................................................................. 12 
Technical Service Guide
Compact Dishwasher (6 settings)
MODEL SERIES:
MIDEA C
T
ECHNICAL
. T
HIS SERVICE GUIDE MAY NOT BE REPRODUCED IN WHOLE OR IN PART
 
WQP6-3305E
P
ONSUMER
RODUCTS
S
G
ERVICE
UIDE
COPYRIGHT. 2003
,
,
IN ANY FORM
WITHOUT
C
.
OMPANY

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Summary of Contents for Midea WQP6-3305E series

  • Page 1: Table Of Contents

    UIDE COPYRIGHT. 2003 LL RIGHTS RESERVED HIS SERVICE GUIDE MAY NOT BE REPRODUCED IN WHOLE OR IN PART IN ANY FORM WITHOUT WRITTEN PERMISSION FROM THE MIDEA DISHWASHER MANUFACTURING OMPANY CONTENTS Introduction ................................ 3  Specification ................................ 3  Control Panel Features  ............................ 3  Component Locator Views ........................... 3 ...
  • Page 2   Sump assembly............................ 14  Drain pump assembly .......................... 16  Motor pump assembly  .......................... 17  Heater elements assembly  ......................... 17  Heater elements support assembly ...................... 18  Thermal resistor ............................ 18  Check plate  .............................. 18  Flowmeter .............................. 19  Inlet valve  .............................. 19  Floater assembly  ............................ 20  Microswitch (floater assembly) ........................ 20  Water softener .............................. 20  Troubleshooting ...
  • Page 3: Introduction

      Introduction WQP6-3305E 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 * 436mm) can easily fit in any corner of the kitchen, and it’s recommended to locate at which the water hose connection is accessible.
  • Page 4   Interior View (with basket)  Part Name: 1 – cutlery basket 2 – basket 3 – dispenser   Interior View (With Basket Removed)  Part Name: 1 – Nut of air breather 2 – Nut of siphon 3 – Cover of softener 4 – Sprayer 5 – Filter System Back View ...
  • Page 5: Dishwasher Components

      Drain Hose connecter Inlet Hose Connecter Part Name: 1 – Backboard 2 – Hollow plate 3 – Bottom board 4 – Power cord  Dishwasher Components 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.
  • Page 6: Outer Door

      Screws 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. Outer Door ...
  • Page 7: Dispenser

      Front View (with outer door assembly removed)  Part Name: 1 – door handle assembly 2 – microswitch (Door handle assembly) 3 – dispenser 4 –door hinge (right) 5 – Rod for door hinges 6 – door hinge (left) 7 – operating board Dispenser  The dispenser automatically dispenses both the detergent and the rinse agent at the appropriate times.
  • Page 8: Door Handle Assembly

      Part Name: 1 – electromagnetic valve 2 – lever 3 – plunger 4 – connecting rod 5 – magnetic sensor  Removal and Replacement 1. Remove outer door assembly. (see outer door removal and installation) 2. Pull out all terminals of dispenser. Then remove all screws for fixing dispenser. Screws Locking terminals  ...
  • Page 9: Microswitch (Door Handle Assembly)

      Microswitch (door handle assembly) The microswitch connects a forceful electric power. All loads of the dishwasher are series connection with microswitch. When the microswitch closes, the dishwasher machine is stopped. Removal and Replacement 1. Disconnect power supply. 2. Remove outer door assembly. (see outer door removal and installation) 3.
  • Page 10: Operating Board

      4. Turn the dishwasher machine. Remove all screws for fixing shell with bottom board in the bottom of dishwasher machine. Snap-fits (3) Snap-fits (1) Snap-fits (4) Screws Screws Snap-fits (2) Snap-fits (5) 5. Unfix all snap-fits for fixing shell with other parts.
  • Page 11: Air Breather Assembly

      Connecting lines of operating board Housings 7. Remove outer door assembly. (See outer door removal and installation). 8. Remove all screws for fixing operating board. 9. Reverse the above procedure to install. And check out all connectors connects well. Air Breather Assembly Removal and Replacement 1.
  • Page 12: Pressure Switch

      Clamps Reverse the above procedure to install. Pressure switch As the dishwasher basin fills with water, the air pressure in the pressure switch hose increases. When the pressure reaches the aim of value, the switch will act and give a signal to main control board. Then drain will be work.
  • Page 13   Part Name: 1 – tank 2 – door handle assembly 3 – dispenser 4 – rod for door hinges 5 – right front chamber bracket 6 – strengthen muscle 7 – left front chamber bracket Removal and Installation Take off cutlery basket, basket and filter system. Remove shell.
  • Page 14: Sump Assembly

      Screws Part name: 1 – sprayer holder 2 – nut of sump assembly 10. Turn cover of water softener. Contrarotate nut of air breather. Contrarotate nut of siphon, then take out one way valve from siphon. Contrarotate nut of sump assembly.  ...
  • Page 15   Part Name: 1 – motor pump assembly 2 – thermal resistor 3 – drain pump assembly 4 – sump 5 – check plate holder 6 – heater elements support assembly 7 – heater elements assembly Removal and Installation Take off cutlery basket, basket and filter system. Remove shell.
  • Page 16: Drain Pump Assembly

      Clamp Pull out hose for connecting water softener to sump assembly. And pull out pressure switch hose. Part name: 1 – connecting hose (water softener) 2 – Pressure switch hose Take up sump assembly, and pull out that from motor vibration-proof pad. Part name: 1 –...
  • Page 17: Motor Pump Assembly

      Motor pump assembly Removal and replacement Take out sump assembly. (see sump assembly removal and installation) Remove all screws for fixing sump pump assembly.  Screws Replace a new motor pump assembly. Reverse the above procedure to install. And check out all connectors connects well. Heater elements assembly Removal and replacement Take out sump assembly.
  • Page 18: Heater Elements Support Assembly

      Nuts Gaskets Reverse the above procedure to install. And check out all connectors connects well. Heater elements support assembly Removal and replacement Take out sump assembly. (see sump assembly removal and installation) Remove heater elements assembly. (see heater elements assembly removal and replacement) Take out gasket of heater elements support assembly.
  • Page 19: Flowmeter

      Pull out check plate from check plate holder, and replace a new check plate. Reverse the above procedure to install. And check out all connectors connects well. Flowmeter Flowmeter is an instrument for monitoring, measuring the rate of flow. Main control board control inlet valve to be on / off according signal of flowmeter.
  • Page 20: Floater Assembly

      Reverse the above procedure to install. And check out all connectors connects well. Floater assembly Part name: 1 – floater holder 2 – microswitch (floater assembly) 3 – floater Removal and Installation Take off cutlery basket, basket and filter system. Remove shell.
  • Page 21   Terminals Part name: 1 – air breather 2 – O ring 3 – gasket of water softener 4 – water softener 5 – connecting hose (water softener) Removal and replacement Take off cutlery basket, basket and filter system. Remove shell. (see shell removal and installation) Take out two corner boards, absorber sound, backboard, hollow plate.
  • Page 22: Troubleshooting

      Troubleshooting  SYMPTOM CHECK FOR THE FOLLOWING REMEDY 3 in 1 lamp The water supply is turned off. Turn the water supply on. twinkle Defective water fill valve. Replace the water fill valve. ( Dishwasher Low water pressure. Minimum water pressure of 20 PSI. Disassemble and clean the water fill valve and will not fill with Obstructed water fills valve or hose.
  • Page 23   cycles. Water remains This is necessary to keep the pump primed and is A small amount of water (in sump area) is in bottom drained automatically at the beginning of each normal. cycle. Defective drain pump Replace the drain pump. Defective Check plate Clean or Replace the Check plate Defective One way valve...

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