Larry T Eatonton , GA August 09, 2021 Appliance: Whirlpool 30`` Built-In Electric Combination Microwave Convection WOC95EC0AB00 Whirlpool Oven Woc95ec0ab00 / : F1e5 was appearing on our Whirlpool microwave. How to replace Inverter. I ordered both the Inverter board and the Magnetron, fortunately only the inverter board was bad so I returned the Magnetron. All good now. Thanks to everyone at AppliancePartsPros for their help. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours