John Z Frederick , MD November 27, 2020 Appliance: Samsung Microwave SMH9187ST/XAA Samsung Microwave Smh9187st/Xaa / : Kept getting SE code on Samsung microwave, I would clean communication ribbon and this would solve problem but only for a week or so. How to replace Microwave Control Panel Assembly. After online chat, it was recommended that we try and replace Assy control panel. So far so good going on two weeks no issues. Very easy to replace if you can work a screw driver you can do this. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes