Octavious B Sumter , SC August 30, 2014 Appliance: Whirlpool Washer WTW6600SW2 Whirlpool Washer Wtw6600sw2: F1 error indicating that the control board was bad. How to replace Control Board. - Removed the front panel from the washing machne - Removed wiring from old control boare and plugged onto the new - Reinstalled the frot panel to the washing machine 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes