Stan C Mansfield , TX May 17, 2015 Appliance: Samsung Microwave SMH9187ST/XAA Samsung Microwave Smh9187st/Xaa / : Samsung microwave was showing the "se" code. How to replace Microwave Control Panel Assembly. Ordered the Assy Control Panel and fixed it myself. Only took about 15 minutes. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes