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Hampton Falls  
#1 Posted : Wednesday, March 3, 2010 7:48:38 AM(UTC)
Hampton Falls

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I have a Maytag Quiet Series 300 Dishwasher, model MDB5601AWB.
It wil not start. The only buttons that light up are Heavy wash/High temp, Light wash, Rinse only, & Delay button.

Normal wash, start/cancel and all the rest do not light up. Just worked 2 days ago. Any advice on a part that may need replacing before I have to call in someone.

Thank you all in advance.
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magician59  
#2 Posted : Wednesday, March 3, 2010 9:08:37 AM(UTC)
magician59

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You may want to first check the electric connection to see if the ground or neutral has come loose.
denman  
#3 Posted : Thursday, March 4, 2010 12:55:33 AM(UTC)
denman

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Here are your parts
Replacement parts for MAYTAG MDB5601AWB Dishwasher - Undercounter | AppliancePartsPros.com

Here is the tech sheet
http://www.servicematters.com/docs/wiring/TechSheets_11_17_09/Schematic%20-%20W10179503.pdf

The usual way to troubleshoot is to check the keypad/console keys with a meter. If it checks out OK then replace the control board.
Still a bit of a crap shoot but your odds are better.

You could try the following but it is a long shot as I cannot see a common line for all the keys that do not work.

Does sound like the control board is toast.

Connector Cleaning / Checking
Unplug the unit
Open it up
Remove the ribbon cable from the keypad to the control board at the control board.
Clean the edge connector.
If it is the type where there is not a connector just the insulation is removed, it can be cleaned with a pencil eraser. Do not use an ink eraser as it is too abrasive.
Check the tracks in the ribbon cable for hairline cracks. A magnifying glass helps here.
Would not hurt to clean the connector on the board. Use electronics contact cleaner or isopropyl alcohol and a tooth brush. Be gentle and do not reconnect till all the solvent evaporates.
Reconnect everything and give it a try.
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Hampton Falls  
#4 Posted : Wednesday, April 7, 2010 6:41:48 AM(UTC)
Hampton Falls

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Installed new control board. All buttons light up except "NORMAL WASH" and start will not work. Installed old board back in and only light on is "HEATING CYCLE" (the light to the left of the number 3 is continuously lit and will not shut off).

Do you think it might be the panel or latch?

Thank you in advance,
Rita

PS
Did everything else you suggested and no luck:(
denman  
#5 Posted : Thursday, April 8, 2010 2:29:08 AM(UTC)
denman

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[COLOR="Blue"]Do you think it might be the panel or latch?[/COLOR]
I doubt this is it but I would check them with a meter just to be sure they are closing.
Could also remove power from the unit and short them out, reassemble the unit and give it a try.. Just be sure that the door is closed when re-applying power unless you want a shower. This is a pain so I would only do it as a last resort.

Another possibility is that you received a defective board.
Try to get into diagnostics.

[COLOR="Blue"]PS
Did everything else you suggested and no luck[/COLOR]
From the above I am assuming you checked the keypad with a meter and it checked out OK.
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