(Topic ID: 323129)

F12 fuse

By Fokker

6 months ago

Topic Stats

  • 9 posts
  • 3 Pinsiders participating
  • Latest reply 5 months ago by Fokker
  • Topic is favorited by 1 Pinsider


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#1 6 months ago

So been working on restoring a gottlieb monte carlo. New swemmer mpu and power supply. Ground mods, reflowed and repinned.

Everything is working great but the ball release solenoid isn't working...traced back to F12 fuse which keeps blowing as soon as power on game.

Any ideas where to start. Still haven't figured out. New solenoid installed on ball release.

#2 6 months ago

Are diodes installed on the coils?
Double check you have it the correct way on the new one you installed.

#3 6 months ago

Has diode installed. It was blowing fuse prior to changing coil...I had an extra coil so I tried that. If put new fuse in...will eject ball one time and then fuse blows.

#4 6 months ago

So fuse does not blow when coil is taken out of circuit?

#5 6 months ago

I haven't tried that yet. So maybe just unsolder wires going to coil and retry? I would say it wouldn't blow because it only blows after it releases ball 1 for play.

#6 5 months ago

Any other ideas guys? I'm struggling here.

#7 5 months ago

Did you remove coil from bracket and inspect for wear on wrapper? Possible coil is rubbing on bracket when energized blowing fuse.

#8 5 months ago

I'll check that tonight.

#9 5 months ago

Everything looked go. No wear. Any other ideas?

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