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Whirlpool Duet Washing Machine Bonaire, GA F11 Code

This Whirlpool Duet Washing Machine ( GHW9150PW2 ) is giving an F 11 Code.  This means there is a communication error between the Central Control Unit ( CCU ) and the Motor Control Unit (MCU).  This is where it gets tricky.  Which one is the problem and which needs to be repaired?  I checked all of the connections to make sure they were secure.  They were.  I will have to get a service manual and run some diagnostics tests to determine the problem and what needs to be done to repair it.  My gut tells me it’s the CCU but I need to be sure before I start replacing expensive parts.




Went back with the repair manual.  Yesterday I made sure all of the connections were secure at the CCU.  I should have done this at the MCU as well.  Today I saw the problem.  The picture will show where the MCU was burned.  I replaced the Motor Control Unit and now everything is working properly.  You want to always check your connections and look for loose wires and/or burned terminals.

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