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(Topic ID: 176091)

Switch doesn't always register


By mof

3 years ago



Topic Stats

  • 11 posts
  • 5 Pinsiders participating
  • Latest reply 3 years ago by mof
  • Topic is favorited by 2 Pinsiders

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#1 3 years ago

I have a switch in a Williams System 7 Cosmic Gunfight that registers roughly 9/10 times during gameplay.

In switch test mode I cannot get it to fail -- ever.

I have the action set to a hair trigger on it.

Can someone help me understand how I can get a switch to work perfectly 20/20 times in switch test, but fail 1-2 times out of 20 in real-game-play mode... I do not have this issue (to my knowledge) with any other switches on the PF, and I have a rebuilt 40-pin interconnect.

-mof

#2 3 years ago

Pics

20161214_231429 (resized).jpg

20161214_231358 (resized).jpg

#3 3 years ago

is that switch supposed to have a cap on it to hold the trigger a little longer?

#5 3 years ago

Op saw the response, no longer feel like being helpful overall.

#6 3 years ago

Great idea -- in this case it's the upper right orbit. I presume most shots hug the outer wall and approach the switch the same way. It is certainly not the same as me touching the switch by hand.

It's funny, I actually thought the switch was riding a bit high.

-mof

#7 3 years ago

Op saw the response, no longer feel like being helpful overall.

#8 3 years ago

I would try a capacitor on it. The rollover switches on the top lanes of my Centaur wouldn't always register until I put a cap on each one.

#9 3 years ago

I had the same thing on Comet upper lane rollovers and I used a bit of green pad to clean it. Initially adjusting closer did not help much. Now it works every time.

#10 3 years ago

1. I tried moving the switch 1/16" right for ball travel. No change.

2. I tried adding a cap to the switch. No change.

3. I opened up the gap on the switch from hair trigger to 1/16". Fixed

Ok, lesson learned -- don't set all switches to hair trigger distance like pops...

#11 3 years ago

Some great news is -- while trying to figure this out -- I found out two lamps were wired backwards at the factory. Red-blue and Red-violet.

WTF !!!

-mof

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