(Topic ID: 209715)

1pt. Relay not de-energizing


By Ohio66

1 year ago



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  • 11 posts
  • 6 Pinsiders participating
  • Latest reply 1 year ago by currieddog
  • No one calls this topic a favorite

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#1 1 year ago

Williams Lady Luck, when a one point switch is hit it energizes the 1pt. Relay. The problem is it is not de-energizing. The relay is staying locked on. From that point all of the one point switches are inoperable. What should cause the 1pt. Relay to release?

Ohio66

#2 1 year ago

There is an end of stroke switch on the associated score reel that should open to release the relay.

#3 1 year ago

It appears that the coil on the drum unit does not activate strong enough to pull the armature in to up the EOS switch.

#4 1 year ago

File, clean, and adjust the contacts on the relay and see if that remedies the situation.

#5 1 year ago

Clean the relay switch contacts. I will often get EM games in that haven't been played in a while and this happens. I had a grand prix where EVERY point relay needed to be cleaned. After you clean the relays, manually push in and pull out the relay until it stops sticking. Once I did that the score reel relays stopped sticking.

#6 1 year ago

Got the one pt switches working, now when I hit a Jet Bumper the game ends.

#7 1 year ago

Most likely vibration related causing the game over or one of the other relays to trip. Hard to say without the machine in front of me.

#8 1 year ago

Going crazy, jet bumpers now working but score motor won’t stop at start up. This is driving me nuts!

#9 1 year ago

These are the switches that run the score motor. Next step is find out which one is running it.

Pinball (resized).png

#10 1 year ago
Quoted from Ohio66:

This is driving me nuts!

=EM repair

#11 1 year ago

I think a playfield sw. is sticking. Check everything that scores 1 pt.

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