OP

Quoted from bheasy:

The board works fine when you take it out of test mode manually. That's why it works with a test rig. Tried multiple times to compromise, even offered the "working fine" board to him for the cost of the repair (which he could easily sell for $100 or more profit, after original expense). Nah-
Glad you guys all lucked out with yours- wish I'd been as lucky.
If I'd have known Jerry did system 9 boards I would have picked him right away! He's helped me with things in the past 2 times now for FREE! Yes, Jerry is the man!
So I was just trying to be a good pinball person and warn you guys. FWIW
Peace yall, may all your jackpots be super =)