Techno Stuff
Common Problems

READ THIS DISCLAIMER

General

1. How do I make my machine free play. Here's free play another way.
2. Keys, what keys?
3. Identifying wires
4. how can I make the game easier
5. Blown fuses

Wear and Tear

1. Why is the search index coil burned out on my screen game? (fire hazard!)
2. Fix flickering/dim lamps (light bulbs)
3. What parts wear out on a bingo
   (and what should I look at when thinking of buying a game)
4. What kind of regular maintenance is needed
5. a solution for worn wiper finger contacts
   (by michael sands - http://www.sandsmuseum.com)
6. Replacing older style relay switch actuator/lifters
   (by Jeffrey Lawton)

Payout Problems

1. Game stops during payout
   and/or various coils burn in payout units (fire hazard! - jeffrey lawton version of above)
2. Payout is incorrect
   and/or red letter/OK game starts when it shouldn't

Game Specific Issues

1. extra ball bug on mystic line (20 hole) machines