A:Answer Brenda, we care about getting you assisted. SE error means that the microwave got a key short error.
For this to be fixed, please check this link for details. Please click the embedded word if you need to schedule a service visit.
Samsung microwave error codes
https://www.samsung.com/us/support/troubleshooting/TSG01110365/
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/Samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.Samsung.com/t5/Samsung-Community/ct-p/us
When you message us, please provide us with this reference number (1146599136) to help our team pull up your information.
Have a great day.
^Camille