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F11 is a very bad error code. F11 means there is a communication error between the main CCU and the motor control board. If one of the boards got wet, you will need to replace both boards because it shorts out both boards since they talk to each other. One control board (the CCU) is located under the top panel. The other the MCU (motor control unit) is located behind the lower front panel in the lower front left corner. The lower front panel has 3 screws along the bottom you need to unscrew to remove the control board. If you find no loose wires or plugs into the board, then you'd have to guess which board you want to replace first. Typically on these older versions the CCU is the faulty part so that is the part I'd replace the CCU first. The CCU is part number(###) ###-####
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