OK shoot me another current picture, show the top row clearly- we'll solve this pesky mystery
One of those jumpers must be faulty/flakey
That's actually good news, transformer probably ok. Put the wire back on 240v tap.
Check your work on the top row against the sketch in post #40 carefully.
Tug on upper wires (with power off, of course) and see if any pull out of the lugs