William S Petersburg , TN November 21, 2016 Appliance: Amana Microwave R0-24-8 Amana Microwave R0-24-8 / P7391701m: Broiler element & infinite switch was bad. How to replace Infinite Switch Top Burner Control Switch. Replaced both of them 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes