Se error code Roosevelt S. • Fairview Heights, IL • October 22, 2014 Appliance: Samsung Microwave SMH9187B/XAA My Repair & Advice I read from a previous online customer experience that the membrane needed to be replaced. I ordered the membrane and went on YouTube to learn how to remove the membrane. I replaced it and haven't had a problem. The microwave is working just fine. Was this review helpful to you?