(Topic ID: 194210)

WOZ Issues with VUK coils and VUKs themselves

By WesleyCowan

6 years ago



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#1 6 years ago

When WOZ is finishing booting up it started acting strangely yesterday. All of the VUK coils start firing and keep going for around 20 seconds for some but weirdly the castle door VUK keeps going longer than the rest. And the VUK aren't working meaning they won't eject balls until the game goes into search mode.
And ideas what to do for these problems? Fuses including for the VUK are working and see nothing else obvious and don't even know where to start problem solving this one.

#2 6 years ago

what your build date?

#3 6 years ago
Quoted from WesleyCowan:

When WOZ is finishing booting up it started acting strangely yesterday. All of the VUK coils start firing and keep going for around 20 seconds for some but weirdly the castle door VUK keeps going longer than the rest. And the VUK aren't working meaning they won't eject balls until the game goes into search mode.
And ideas what to do for these problems? Fuses including for the VUK are working and see nothing else obvious and don't even know where to start problem solving this one.

Did you check the switch matrix for status of the optos?

#4 6 years ago
Quoted from whthrs166:

what your build date?

9/11/13

#5 6 years ago
Quoted from WesleyCowan:

When WOZ is finishing booting up it started acting strangely yesterday. All of the VUK coils start firing and keep going for around 20 seconds for some but weirdly the castle door VUK keeps going longer than the rest. And the VUK aren't working meaning they won't eject balls until the game goes into search mode.
And ideas what to do for these problems? Fuses including for the VUK are working and see nothing else obvious and don't even know where to start problem solving this one.

Make sure that you don't have a connector loose or disconnected at the opto boards under the playfield.

#6 6 years ago
Quoted from DCFAN:

Make sure that you don't have a connector loose or disconnected at the opto boards under the playfield.

Turned out there was a connector on the I/O that had got disconnected. Thanks for those who replied!

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