(Topic ID: 260970)

Williams Planets keeps cycling


By ViriiGuy

61 days ago



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  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 58 days ago by ViriiGuy
  • No one calls this topic a favorite

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Planets score motor (resized).jpg

#1 61 days ago

I am working on a Williams Planets that when you start a game it will keep cycling, like it is looking for the ball. When you get it to catch and start a game, once the first ball is drained, it starts cycling thru the balls again. EMs are NOT my strong point and to be honest, I am not sure where on this machine to start looking.

Any suggestions?

#2 61 days ago

Ok it could be a misadjusted switch start with the drain switch and see if it properly adjusted.The most problems that occur with EM’s are switches.

#3 61 days ago

There's a schematic on ipdb.org:
Planets score motor (resized).jpg
There are nine different normally open switches that connect to the orange-green wire that sends power to the Score Motor. Any one of those switches being closed or shorted could cause the motor to run. Check each one visually to see if you can tell which ones are closed. If that doesn't help block the switches with paper to see which ones when blocked will let the motor stop. One of the nine switches could be the problem or it could be the relay that's closing the switch that is the problem. Either way you need to figure out which switch is closed.

/Mark

#4 58 days ago

Thank you both very much! EM's are my weakness. I have been trying to buy a couple cheap ones, to mess with in my free time, but you know how that goes

This gives me a good idea of what to look at when I go back to it this weekend.

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