Fred R Northfield , MN November 09, 2014 Appliance: Whirlpool Washer WFW9150WW00 Whirlpool Washer Wfw9150ww00: Error code f6e1. How to replace Washer Motor Control Board. Replaced the motor control unit. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes