Ok. So I had my Aztec playing perfect then....The ball started not releasing from the outhole. I could give the apron a little bang and get the ball to kick out and the game would play. Then it stopped kicking the ball out completely. I opened up the machine and checked every switch in the box and playfied and they all seem to be good.
1. If I turn the machine on and hit the credit button - nothing happens.
2. If I manually add Bonus to the game and activate the outhole switch - the Bonus counts down to 0 but does not then reset to 5,000 and activate the ball release coil.
3. If I manually add Bonus to the game and then activate the Reset relay - the Bonus will count down to 0 but no scores will show on the scoring reels and the Bonus will not then reset to 5,000 and activate the ball release coil.
4. If I manually add Bonus to the game by activating the Bonus advance plunger and then release the Bonus with the Bonus release plunger - When the Bonus gets to 0 it counts back up to 5,000 and the Ball release coil activates.
5. If I manually activate the outhole relay - the score motor runs a little and the ball release coil fires.

With all this going on I can not get anything on the playfield to work at all . Lights are all on but can not get the game to play.

I know this is a lot of information but maybe someone could give me a place to start. As best as I can tell the game is not resetting properly and kicking the ball out to tell the playfield that a ball is coming. But I have no idea where to start trying to fix this problem. I have taken the switches off the cam 4 on the score motor and they seem fine

Thanks for any help that will get me out of my latest edition of Em Pinball Depression.

First issue is this - I think.

If I manually add Bonus to the game and then activate the outhole switch - The Bonus goes down to 0 but then the Bonus does not return to 5,000 and activate the outhole relay and then the ball release coil. But when the Bonus is at 0 - If I manually add Bonus to the game - by activating the plunger on the Bonus unit - the Bonus goes to 5,000 and then activates the outhole relay.

So I think I need to get the machine so that when the ball goes in and activates the outhole switch - the Bonus counts down to 0 and then activates the outhole relay to reset the Bonus to 5,000 and kick out the ball.

BTW - None of this activates the scoring reels at all and the game is stuck on Player 1 - Ball 1. The Ball and/or Player does not advance

Also is it possible the Tilt is stuck on and how would I release that.

Best summary I can give:

1. Can not get anything on the playfield to work.
2. Can not get game to advance Ball in Play count - But I can do this by manually activating the plungers on the coils.
3. If I manually set Bonus on the game and then activate the reset relay - The Bonus score will not show on the score reels.

Getting somewhere. I cleaned everything on the Tilt relay and now the game playfield will work. The game will turn on and set to Player 1 Ball 1 and you can play the ball...But when the ball hits the outhole - the Bonus counts down and stops at 0. The Bonus does not reset to 5,000, the Ball Count does not move to Ball 2 and the Ball does not release.

So I am thinking that when the Bonus counts down to 0 it should activate the Outhole relay and the game will work. What on the Bonus unit activates the Outhole relay?

Thanks Mark.

I just cleaned all the switches on the Bonus Relay and found and cleaned the switches on the Bonus Unit that you showed me - Not sure which of the switches on the Bonus unit works the Outhole Relay - and then I replaced the outhole switch. The game is now working but still not sure exactly what the problem was. I think I am learning that even if switches are making good contact and appear to be clean - They might still need more cleaning or even replacing. I probably should order a bunch of leaf switches so that I am ready for the next problem.

I am trying to learn how to read these schematics. I would read the part you have in red as - There is a Make/Break switch on the Bonus unit that closes and then goes through a Normally Closed switch on the Bonus Relay??? and that closes the connection and activates the Outhole relay???