There is normally a sharpie checkmark on the side of the terminal block (closest to the mounting screw) for a tested EBB, and I wanted to find out if yours had been marked as tested.
One set of the header pins at the other end of the screw terminal allow that button to be wired up off board, so if those pins got bent during shipping, they could possibly be causing intermittent contact.
If you’re interested in the design of the EBB, you can find the details here:
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Best,
Lenore
