I put the board in the washing machine, and it worked. Here is the summary for the next person.
- A power outage can fry your washing machine.
- If you get a Whirlpool F28 communications error (same as Kenmore F11 I'm told), then 99% of the time is is a fried Motor Control Board (I'm told).
- Remove the back plate of the washing machine & the lower brace to expose the motor control board
- Remove the upper cover of the washing machine to expose the main computer board.
- Look around. Blue wires are critical. So check the blue wires from the CCU to the MCU. Otherwise, remove the motor control board and check for burn marks.
If you see evidence of damage on the motor control board, just go buy a new one for around $200 at a local appliance store. (Whirlpool factory prices area about $320 and Ebay is as low as $50 but you have to be confident of the supplier).