Daniel M Concord , NH July 18, 2020 Appliance: Amana Self Cleaning Slide-In Downdraft Electric Range FDU185 Amana Range Fdu185: Oven not heating. How to replace Appliance Light Bulb. Replaced heating element in oven, unfortunately this did not fix the problem. Probably a problem with the power supply or circuit board, which are unavailable. (29 year-old stove) Part from AppliancePartsPro came in 2 days; very impressive. Also a helpful video on this procedure, thank you! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes