(Topic ID: 190151)

Xenon Glitch?


By chippe01

3 years ago



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  • 10 posts
  • 3 Pinsiders participating
  • Latest reply 3 years ago by chippe01
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#1 3 years ago

I was playing my Xenon this morning, and having a pretty decent game. On the last ball, I got multi-ball. One ball drained, just as I shot the other ball through the tube. It seems the tube ball dropped in the kickout hole at the exact moment the drained ball was ejected to the "waiting area" in the trough. The ball never kicked out of the hole. I had to turn the game off to recover. I got it on video ...

#2 3 years ago

I have a similar problem with my Xenon, mine will also sometimes when the ball drains, kick out both balls into the shooter lane, I'm running the Alltek MPU and have wondered if that is the issue, but cant seem to find anything else wrong. (sorry not trying to hijack your post just thought I would let you know of another Xenon that is doing the same/similar thing.) I have just put up with it as it still plays well.

#3 3 years ago

I forgot to mention, I also have the Alltek MPU in my machine. This is the first I have seen this problem, and I'm thinking it probably will never happen again as the timing was exact when the ball dropped into the exit chamber kickout hole and the drained ball kicked out of the first hold area.

I need to find a way to disable the coin door shutoff so when these things happen I don't lose my game. I can't tell you how many times I lost games because a ball got stuck just past the tube switch.

#4 3 years ago

the "coin door shutoff" I am guessing is the slam switch, does it reset the entire game ? many things can be done to disable this mostly spread the contacts so far apart it will never engage unless you expect people to be kicking the front of your table

my guess is the contacts for the left saucer didn't register this one time, guessing slightly dirty contact a peice of paper pulled through while closed should do it, DO NOT use a file

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#5 3 years ago

Hi. Thanks for the reply. It's not the slam tilt, there was a switch installed that shuts the power to the game when the coin door is opened.

There was a latch added to the coin door which pushes the switch closed when the coin door is fully closed. It's not just a matter of two wires to complete a circuit. There are four wires attached to the switch and I don't want to just cut the wires as I'm not sure what goes where.

I've never had issues with the ball trough or the exit chamber kickout. I'm thinking due to the exact timing of both things happening at the exact same moment, the software went screwy. I am going to try to manually recreate this scenario to see if it happens again.

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#6 3 years ago

my guess the two pairs of wires come from and back to the toggle switch on the bottom of the table.

maybe cinch a ty-wrap around the whole thing so the button stays closed

Quoted from mappy_mouse:

I have a similar problem with my Xenon, mine will also sometimes when the ball drains, kick out both balls into the shooter lane, I'm running the Alltek MPU and have wondered if that is the issue, but cant seem to find anything else wrong. (sorry not trying to hijack your post just thought I would let you know of another Xenon that is doing the same/similar thing.) I have just put up with it as it still plays well.

my guess here is a mis-adjusted or sticky ball gate just inside the shooter lane is allowing both balls to slip though

this old post may shed some light on both issues as well:
https://pinside.com/pinball/forum/topic/80s-bally-ball-delivery-area-switch-xenon#post-1114514

#7 3 years ago

As for my issue, this seems to be a definite bug. I was able to recreate this several times with the glass off. When the ball kicked out of the lower part of the trough at the exact moment the other ball fell into the exit chamber kickout hole, the exit chamber did not score or advance, and the ball did not kick out. It just sat in the hole with the background music playing. I wonder if it's an issue with the Alltek board, or if it happens on an original MPU as well?

Also, I pulled off the cutoff switch, and there are 4 wires attached. a blue wire and a brown wire, which goes to the line filter, and a black wire and a white wire, which appears to go to the service outlet in the bottom of the cabinet. I was able to jam the button down with an allen wrench to hold the button in, then I placed a screw across the opening on both tabs. I would like to take the switch completely off, however. Maybe I can Crazy Glue the button in?

#8 3 years ago

setting up multiball and dropping both balls so they land in the outhole & the left saucer at the same time .... first I tried with my original MPU and balls kicked out as they should and then I tried same with an Alltek and balls kicked out the same.

Some reason when I put in the Alltek board the sound was acting up on me and returned fine when I reverted back to the original board so that was the end of the exercise for the evening

however I did notice the coin lock-out solonoid fired the same time the saucers fired with the Alltek board

#9 3 years ago

my guess here is a mis-adjusted or sticky ball gate just inside the shooter lane is allowing both balls to slip though

this old post may shed some light on both issues as well:
https://pinside.com/pinball/forum/topic/80s-bally-ball-delivery-area-switch-xenon#post-1114514

Hi chas10e
Thanks for the advise/tips, I will try your suggestions and see what comes up, hopefully I can get her back to playing as she should.

#10 3 years ago

Thank you, chas10e.

Quoted from chas10e:

however I did notice the coin lock-out solonoid fired the same time the saucers fired with the Alltek board

That's funny, because I notice the coin lockout activates several times during game play, such as just before the bonus starts to count down. I hear the little click coming from the coin door. It happens other times as well.

I should have clarified that the ball has to kick out of the lower part of the trough exactly as the other ball falls in the exit saucer. I updated my previous post to reflect this.

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