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cycles.  
Water remains 
in bottom 

A small amount of water (in sump area) is 
normal. 

This is necessary to keep the pump primed and is 
drained automatically at the beginning of each 
cycle. 

Defective drain pump 

Replace the drain pump. 

Defective Check plate 

Clean or Replace the Check plate 

Defective One way valve 

Clean or Replace the One way valve 

Spotting or 

filming on   

glasses 

(reposition of   

food soil). 

 

Detergent allowed to stand too long in the 
dispenser or excessive amounts of 
detergent are being used.   

Instruct the customer on proper use of dishwasher 
detergent. Refer to the   
owner’s manual. 

Improper loading of dishes, pots,   
pans, and nesting of silverware. 

Noisy pump 

assembly. 

 

Debris in bottom of tub sump area. 

Clean out the sump area. 

Pump parts were not properly installed. 

Inspect the pump and correct and installation 
errors. 

Impellers are not properly shimmed or are 
rubbing. 

Use the shim guage furnished in the impeller seal 
kit. When the seal is properly shimmed the 
impellers will be in the correct operating position. 

Poor 

washability. 

 

Clogged filter assembly. 

Clean the filter assembly. 

Dishware stop the sprayer 

revolve the sprayer before wash. 

Improper loading of dishes, pots, pans, 
and nesting of silverware. 

Refer to the owners manual.   
 
 

Little detergent/rinse module 
Select  improper  program 
Defective detergent/rinse module   

Replace the etergent/rinse module. 

Defective spray arm. 

Check spray arm for proper rotation. 

Too little water fill. 

See “Too little water fill” symptom. 

Defective motor pump 

Replace the motor pump 

Poor drying of 
dishes 

Improper loading of dishes, pots, pans, 
and nesting of silverware. 

Instruct the customer on proper loading of the 
dishwasher. Refer to the owners manual. 

Select  improper  program 

Defective dispenser 

Replace the dispenser 

 
Water leaks 
from 
dishwasher.  
 

Too much water fill. 

See previous symptom. 

Defective tub seal. 

Replace the tub seal. 

Defective softener gasket. 

Replace softener gasket.   

Defective drain pump 

Replace the drain pump 

Dishwasher not level. 

Level the dishwasher. 

Soap suds leak from dishwasher.   

Refer to use and care manual. 

Loose hose clamps. 

Tighten or replace hose clamps. 

Loose heater element. 

Tighten heater element mounting nuts. 

Defective sump seals. 

Replace the sump seals. 

Motor and drain pump assembly not 
seated properly with sump. 

Remount the motor and drain pump assembly. 

Defective Heater elements support 
assembly seals. 

Remount Heater elements support assembly. 

 

Summary of Contents for WQP6-3305E series

Page 1: ...sconnect 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 2003 ALL RIGHTS RESERVED THIS SERVICE GUIDE MAY NOT BE RE...

Page 2: ... 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 22 Exploded view ...

Page 3: ...r supply at the same time the indicator light will be on off 2 Program button indicator lights Press the button to select one of programs at the same time selected program indicator light will be on 3 Delay button Press the button to delay start the dishwasher in a delay time 4 Salt warning indicator lights The salt warning indicator light will be on when the softener needs to be refilled Rinse ai...

Page 4: ... 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 1 2 3 1 2 3 4 5 ...

Page 5: ...ns 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 remove all screw for ...

Page 6: ...etergent dispenser Removal and Installation 1 Open the door of dishwasher And remove all screws for fixing outer door assembly 2 Hold on outer door assembly Remove all screws for fixing the operating board Part Name 1 outer door 2 handle cover 3 operating board Caution Inner door of edges are sharp Some corners and edges of parts are sharp 3 Remove all screws for fixing handle cover 4 Reverse the ...

Page 7: ...s the cover catch and releases the detergent cover When deactivated the lever resets to rest under the notch in the center of the connecting rod When activated for the second time in a cycle the lever lifts the connecting rod by the notch lifting the rinse dispenser plunger and releasing the rinse agent When deactivated the lever returns to its original starting position The magnetic sensor is con...

Page 8: ...l connectors connects well Removal and Replacement 1 Disconnect power supply 2 Remove outer door assembly see outer door removal and installation 3 Unfit all snap fits of outer door assembly for fixing microswitch door handle assembly And pull out microswitch door handle assembly Note Don t pull out all terminals of microswitch door handle assembly 4 Remove all screws for fixing door handle assemb...

Page 9: ...and installation 2 Pull out all terminals of dispenser and microswitch include some locking terminals see dispenser removal and replacement and microswitch door handle assembly removal and replacement 3 Remove all screws for fixing inner door 4 Remove dispenser see dispenser removal and replacement 5 Remove door handle assembly see door handle assembly removal and replacement 6 Reverse the above p...

Page 10: ...procedure to install And check out all connectors connects well Back View with shell removed Part Name 1 corner board 2 absorber 3 backboard 4 hollow plate Removal and Replacement 1 Disconnect power supply 2 Remove shell see shell removal and installation 3 Take out two corner boards absorber sound backboard hollow plate 4 Remove all screws for fixing cover of protecting box see main control board...

Page 11: ...eather gasket 4 Take out gasket of air breather and remove clamp for fixing connecting hose to air breather 5 Reverse the above procedure to install Removal and Replacement 1 Remove shell see shell removal and installation 2 Take out two corner boards absorber sound backboard hollow plate 3 Contrarotate nut of siphon Take out one way valve and gasket of siphon Part name 1 nut of siphon 2 gasket of...

Page 12: ...shell see shell removal and installation 2 Take out two corner boards absorber sound backboard hollow plate 3 Unfix the sheet copper for fixing the pressure switch hose Part name 1 sheet copper 2 pressure switch hose 3 pressure switch 4 Unfix the snap fit of bottom board for fixing pressure switch And pull out pressure switch hose Pull out all terminals of pressure switch Note mark all terminals c...

Page 13: ...erating board removal and replacement 5 Remove outer door assembly with operating board See outer door removal and installation 6 Put out all terminals for connecting Microswitch door handle assembly dispenser and rod for door hinges Take out all connecting lines from inner door Note some terminals are locking terminals 7 The plug terminal of tank assembly is on the edge in the left side of tank a...

Page 14: ...ke out door springs and connecting lines for connecting spring to door assembly 12 Remove all screws for fixing right and left front chamber bracket Take out the tank assembly at the same time unfix the snap fits of bottom board for fixing right and left front chamber bracket Part name 1 springs 2 connecting lines 3 right front chamber bracket 4 left front chamber bracket 13 Reverse the above proc...

Page 15: ...d installation 5 Pull out all terminals and housings of sump assembly include two terminals for connecting drain pump assembly three locking terminals and one connector for connecting motor pump assembly two terminals for connecting heater elements two terminals for connecting heater elements support assembly And unfix connector of thermal resistor Remove nut and take out a tooth lock washer and o...

Page 16: ...Part name 1 motor vibration proof pad 6 Reverse the above procedure to install And check out all connectors connects well Removal and replacement 1 Take out sump assembly see sump assembly removal and installation 2 Remove all screws for fixing drain pump assembly And contrarotate the drain pump assembly to take out that 3 Reverse the above procedure to install And check out all connectors connect...

Page 17: ...check out all connectors connects well Removal and replacement 1 Take out sump assembly see sump assembly removal and installation 2 Remove all screws for fixing heater elements assembly Take out heater elements assembly and heater elements support assembly 3 Remove all nuts for fixing heater elements assembly Then take out two gaskets of heater elements assembly Heater elements assembly Motor pum...

Page 18: ...e procedure to install And check out all connectors connects well Removal and replacement 1 Take out sump assembly see sump assembly removal and installation 2 Turn the sump assembly and remove all screws for fixing thermal resistor 3 Reverse the above procedure to install And check out all connectors connects well Removal and replacement 1 Take out sump assembly see sump assembly removal and inst...

Page 19: ...val and installation 5 Take out plug housing for male terminal Remove all clamps for fixing connecting hose to flowmeter 6 Reverse the above procedure to install And check out all connectors connects well Removal and Replacement 1 Take off cutlery basket basket and filter system 2 Remove shell see shell removal and installation 3 Take out two corner boards absorber sound backboard hollow plate 4 R...

Page 20: ...ssembly 6 Pull out all locking terminals for connecting Microswitch floater assembly 7 Reverse the above procedure to install And check out all connectors connects well Removal and Replacement 1 Remove floater assembly see floater assembly removal and installation 2 Pull out all locking terminals for connecting Microswitch floater assembly 3 Remove one screw for fixing Microswitch floater assembly...

Page 21: ...rner boards absorber sound backboard hollow plate 4 Remove tank assembly see tank assembly removal and installation 5 Pull out the air breather take out two O rings 6 Take out gasket of water softener 2 and pull out connecting hose water softener 7 Pull out all terminals for connecting water softener 8 Reverse the above procedure to install And check out all connectors connects well Note only use ...

Page 22: ...larm Defective micro switch for overfall safeguard Replace the micro switch Damaged or defective wiring Repair the wiring Defective PCB assembly Replace the PCB assembly Water leaks from dishwasher See Water leaks from dishwasher Do not work when press start The door not close well close the door Defective door switch contacts Replace the door switch Defective door handle assembly Replace the door...

Page 23: ...he sprayer revolve the sprayer before wash Improper loading of dishes pots pans and nesting of silverware Refer to the owners manual Little detergent rinse module Select improper program Defective detergent rinse module Replace the etergent rinse module Defective spray arm Check spray arm for proper rotation Too little water fill See Too little water fill symptom Defective motor pump Replace the m...

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