Greetings,

I'm have a problem where the AX, BX and CX solenoids never energize. At the start of a game, after the first points are registered, the First Ball Relay (ZB) energizes and play continues but the AX (1st OR 3rd BALL RELAY) does not engage. Neither do the BX (2nd OR 4th BALL RELAY) nor the CX (3rd OR 5th BALL RELAY) engage during play.

I see the them on the schematic but I don't see how they get energized from the "Player Unit".

Does anyone know where the signal to energize the solenoid comes from or have any other idea why this might be happening?

Thanks in advance.

Advance Unit Relay (resized).jpg

Thanks for the quick response. That makes a lot of sense. So if I set it to 3 player, it should energize at the start of the game, correct?

Got it fixed! Thanks again for your help HowardR. I cleaned contacts on the player unit and switched to 3 player to make it easier to get through testing. In 3 player mode, AX was working as it should but BX and CX did not. It turned out that corrosion on the latches kept them from sliding when the solenoids energized and on 3 players there was enough vibration to bounce AX loose enough to release.

Bottom line... Back In Business!

Thanks Again!