Burf09

I'm New Here
I have a d100 and d120 efis and Ems system in my RV 6.
Once or twice a flight the Ems system shuts down and the efis system shows an “Ems not found” message.

I cycle avionics power and it comes back.

I was wondering if anyone else has had this issue and if so, what the fix was.

I have checked the connections, and everything seems secure.

Any comments would be appreciated. Thank you