What can you do if the control panel of your Samsung microwave does not respond
If the microwave has power, but will not respond to any commands or only certain buttons work, clean the control panel and try a power cycle. If the panel still doesn't respond, service is required.
What is the meaning of the error codes displayed on your Samsung microwave
An error code on your microwave usually means a technician is going to need to take a look at it. However, it could just be that you need to cycle the power on and off and see if the error returns.