Revashockency W Greensburg , KY March 05, 2022 Appliance: Whirlpool Electric Wall Oven GBS307PDT3 Whirlpool Oven Gbs307pdt3: It wouldn't heat after clean cycle. How to replace Thermal Fuse. The repairman said the motherboard was gone. I found your site and saw where others had the same problem after cleaning. I ordered the part and installed it and works like new. Thank you for allowing feedback that helped solve the problem. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes