Testing and Replacing the Motor Control Unit (MCU) in a Whirlpool Duet Sport Washer

by Samurai Appliance Repair Man, www.Fixitnow.com

Konnichiwa to all my friends and Brethren in The Craft!  This month, we’re going to go over some tips for diagnosing the Motor Control Unit (MCU) in the Whirlpool Duet Sport front-loading washers, also sold under the Kenmore label.  Some things that may indicate a possible problem with the MCU in this machine:

–  You get the F70 error code or

–  You get three quick beeps when you try to start a cycle.

This error code has befuddled many a fine tech.  In a vain effort to repair the problem, I have heard of techs replacing the CCU (not once but twice!) and even the user interface panel only to slink away in shame and dishonor.  But it shall not be so with you!  For the Samurai shall reveal the truth unto thee, and the truth shall set you free.  Come with me now on a journey of Total Appliance Enlightenment™: 

http://fixitnow.com/wp/2010/08/16/whirlpool-duet-sport-washer-testing-and-replacing-the-motor-control-unit-mcu/

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