Unfortunately, we'll need to see that here for repair. Please get in touch with our technical support staff at 425-402-0433 or support at dynonavionics dot com.
I had the same problem at about 19 t0 20 hours of operation. (two occasions) After shutting the unit down and restarting, it worked normally. Both incidents happened while taxiing in hot weather. Rotax 912 uls engine