Check the score motor switches before power-up
Look for missing nylon spacers between score motor switch blades, and clean and gap the score motor home switch.
Systems
Related tips
- What the score motor does
- Score motor switch numbering (Gottlieb and Bally)
- Why the score motor home switch arcs on opening only
- Getting at score motor switches, and slowing a sequence down
- Finding a Gottlieb score motor switch from its schematic name
- How the score motor resets the reels
- Leave score motor switches alone unless clearly faulty
- EM score motor will not stop
Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part One, Clay Harrell (pinrepair.com)