If the Replay button doesn't activate the Start (S) relay on the 12 bank, Inspect and diagnose this circuit with Alligator clip jumper wires
http://www.planetimming.com/Pinball/troubleshooting/EM%20Troubleshooting.pdf
http://www.pinrepair.com/em/index3.htm#features
Be careful because this circuit runs on 120 volts