John A Greenwich , CT August 07, 2014 Appliance: Frigidaire Microwave Hood Combo FMV157GCA Frigidaire Microwave Fmv157gca: Microwave would not heat or would continue to spin once i closed the microwave door after cooking. How to replace Control Assembly. I replaced the control assembly that I purchased from Appliance parts. It was exact fix and took five minutes to un-plug assemble and pop in new one. Works perfect now Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes