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Maytag MDB7709AWQ2 Dishwasher troubles


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8 replies to this topic

#1 patenter

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Posted 06 June 2013 - 11:22 AM

The Start and Cycle lamps on the control panel will not light and the unit will not start. Only the Options lamps will light. Continuity and function of the door switch and thermofuse check out. Answers I've found to others with similar problems for other Maytag models have suggested it is either the Main Control Board of the Touch Pad, but the Control Unit and Console Assembly (that includes the Touch Pad) are each pretty expensive so I'm hoping you'll know some test I can do to narrow it down before buy both parts.

 

 



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#2 RegUS_PatOff

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Posted 06 June 2013 - 12:14 PM

Tech Sheet - W10142800.pdf

 

http://appliantology...sher-mdb7709aw/


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#3 PDuff

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Posted 06 June 2013 - 01:32 PM

Perform the keypad test stated in tech sheet.  Will most likely find the problem there.  Keypad or membrane switch is part of the console.



#4 Samurai Appliance Repair Man

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Posted 07 June 2013 - 03:08 AM

Touch panel: http://www.repaircli...ber=MDB7709AWQ2

#5 Budget Appliance Repair

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Posted 07 June 2013 - 07:04 AM

Can almost guarantee you it is a bad touchpad/console that Samurai linked to above.


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#6 patenter

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Posted 07 June 2013 - 08:31 AM

Thanks to all of you. I did the diagnostics and the problem is indeed in the touchpad. I disconnected the ribbon connector and shut the door and the drain motor ran for two minutes just like the tech sheet said it would if the touchpad was bad.

 

Samurai, the touchpad you link to is black, but I need bisque. I will see if your site has it in bisque.

 

My only confusion is that the ribbon connector has one less pin than the control box and I did not notice which side to bias it towards when I hook up the new one. Usually the M and F connectors are matched even if some pins are not used. Anyone know?



#7 RegUS_PatOff

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Posted 07 June 2013 - 10:16 PM

biscuit

http://www.repaircli...ber=MDB7709AWQ2

 

check this tech sheet

http://appliantology...and-tech-sheet/


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#8 patenter

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Posted 08 June 2013 - 10:32 AM

Thanks, I have ordered the console but still don't know how to connect it. There are X pins on the Main Control and X-1 sockets on the Touchpad ribbon wire's conector. I forget the number that X really is, but let's say it is 10. So let's say there are 9 sockets on the ribbon connector. I don't know whether to connect the connector to pins 1 to 9 or to pins 2 to 10. I'd just do trial and error, but I always worry that might fry something. Anyone know?



#9 PDuff

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Posted 08 June 2013 - 02:46 PM

Should connect to pins 1-9.






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