Red X through RPM or other

You can use your EFIS to look at active lane faults, but not the history of faults. So next time it happens, don’t reset the lane or restart the engine until you have viewed the fault. This video reviews how to do this with a couple different EFIS types. The BUDS dongle is better, but this might get you what you need.   

https://www.youtube.com/watch?v=lNHsB9Y1xuw