(Topic ID: 141440)

Sttng 2ball mode

By mickthepin

8 years ago



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#1 8 years ago

So I have had this problem before but I can't remember how I fixed it. During any mode play, usually time rift or battle simulation the left scoop spits out 2 balls. So its like a two ball multi ball for half the modes. Something to do with the subway optos?
Thanks for your help

#2 8 years ago

Usually any time you get two balls in play when it's not supposed to be happening it will be an opto issue. It could be a trough opto or the subway one's. I once had a problem where my machine would spit out a ball from the left VUK and then spit it straight back out from the outlane to replace it back into the subway. This turned out to be a blown fuse that is linked to the subway diverter and because of the diverter not working it wouldn't place a ball on either side, just 2 to the left, hence the ejecting.

#3 8 years ago

The most common cause is the optos for the left VUK (the one that ejects to the in-lane, not the cannon). They can have cracked solder joints, just be dirty or even pushed up against the other board. Connectors / cabling can also be an issue.

#4 8 years ago

Thanks guys will check it out

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