If both sides share a common fuse that should eliminate an electrical failure allowing one to operate and not the other. If its a mechanical glitch then cross your fingers it causes the common fuse to blow
Never thought of that and your right.
There is one test I didn't run and I guess it should be checked. If the system is in operation and a fuse blows will the system disengage the the drive system and allow manual operation or will the drive system stay engaged.
I think it would disengage because I think the drive system is engaged from an electromagnet.