Liz W Anaheim , CA March 02, 2015 Appliance: Whirlpool 30" Gas Freestanding Standard Clean Range Electronic I WFG231LVQ0 Whirlpool Range Wfg231lvq0: F5 e (5?) control board not working. How to replace Electronic Control Board (Main Control). We removed back panel and changed out board, only took a few minutes and my range works like new again! 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes