Kerry W Westfield , IN September 07, 2021 Appliance: Samsung Microwave Hood Combo SMH9151B/XAA-0000 Samsung Microwave Smh9151b/Xaa-0000 / : Error code " 5e" was displayed; unit did not work. How to replace Microwave Membrane Switch. I replaced the touch-pad on the front of the microwave. Everything worked swimmingly. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes