Matthew B Madisonville , KY June 06, 2016 Appliance: Samsung Microwave Hood Combo SMH9151BE/XAA-0000 Samsung Microwave Smh9151be/Xaa-0000 / : Se or s5 code. How to replace Microwave Membrane Switch. Changed the switch membrane and that worked so far. Messed up the thin stainless on the outside should have ordered that part too 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes