Michael H Brandon , MS June 08, 2022 Appliance: Maytag Electric Cooktop MEC7430WS00 Maytag Cooktop Mec7430ws00: My cooktops high speed element would heat up and just keep getting hotter and not cool down. How to replace Top Burner Infinite Switch (Hiper). Replaced the high-speed Infinite Switch that shorted out and burnt. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes