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Guardian305  
#1 Posted : Friday, October 1, 2010 11:38:11 AM(UTC)
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Guardian305

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Joined: 9/29/2010(UTC)
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Will not drain, will go through all cycles but will not drain. All pipes clean no problem with power. Sounds like pump. If this is the case will the part come with instructions and will I be able to return the part if it does not fix the problem or is the wrong part unless you have a visual? Any help please.
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denman  
#2 Posted : Saturday, October 2, 2010 1:46:40 AM(UTC)
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denman

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Here are your parts
Replacement parts for FRIGIDAIRE MDB121RFM1 Frg(v2) / Built - in Dishwasher | AppliancePartsPros.com

Here is the tech sheet for this unit
http://manuals.frigidaire.com/prodinfo_pdf/Kinston/154295101.pdf

Here is a manual for units which should be close to yours
http://frigidaireservicetips.com/pdfs/485_3.pdf

Check the path from the tub to the drain pump is clear (something may be holding the check valve closed etc.)

Unplug/remove power from the unit and check the drain motor for resistance, should be around 30 ohms.
If open the motor is toast.
If OK it just tells you that the motor winding is OK it does not tell you that the motor is OK.
I would do this first as it is safer than doing a live test.

Check that the drain motor is getting 120 volts when it should be draining.
If it is and it is not draining odds are good that the drain motor is the problem.
If it is not getting power, check the wires from the control board to the pump. If the wiring is good, then odds are that the timer is shot.
THIS FORUM IS DEAD!!!!!!!
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