How to fix F28 on whirlpool duet washer?

The F28 error code on a Whirlpool Duet washer typically indicates a communication issue between the control board and the motor control unit. To fix it, unplug the washer for about 5 minutes to reset the electronics. If the error persists, check the wiring connections between the control board and the motor control unit for any loose or damaged wires. If everything appears intact, you may need to replace the control board or seek professional assistance.