Gordon L Lynn , MA May 17, 2016 Appliance: Model MAGIC CHEF MCO-153UB Unit wold not heat aftre replacing the control push button panel Guessed that the actual control board got compromised in the process of replacing the operator button interface panel. Apparently, that assessment was correct. Replaced and the Microwave is running perfectly. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers