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http://circuitboardmedics.com/whirlpool-duet-fdl-ccu-repair/
How to remove and repair the CCU (Central Control Unit) on a Whirlpool Duet, Kenmore HE3, HE3T, HE4T front loading washing machine. The CCU commonly causes false F11, FDL, & F14 error codes. Circuit Board Medics can eliminate these errors with upgrades to the CCU. Please visit our website at http://www.CircuitBoardMedics.com for more information or to have us repair your CCU.