I'd appreciate some help with a tech problem. I have some knowledge with working on electronic pins but seems not enough to figure this out.

Ripleys Believe It Or Not is the pin. The Slot Machine numbers are getting triggered over and over. This occurs with and without ball in play. As this was happening I opened the coin door and it continued. ? It sometimes will stop but eventually it happens again and I can't figure out what's triggering this to occur. No credit dot. I thought it was a closed switch on PF but not the case. I'm not sure what takes place in gameplay either to make slot machines numbers trigger. I did notice shooting up center ramp it will, but not the same "sound" plays when the over and over occurs.

I attempted to show a video but that also failed. : ( Any help greatly appreciated.

***Got the new optos. Opened the hood to replace but 1st reset connectors and gave it a spin. Once again working flawlessly. At least I have the optos now for a real crisis. : ) Thanks to those who replied, much appreciated.

Thanks for the replies folks, much appreciated.
TenaciousT- I did check switch 31 at top of ramp and it was good and also wasn't the same sound effect as the one I'm hearing when numbers 'rolling.' I'll look into the ABC

LOTR_breath-When I was going into one of the test modes that switch/opto(18 I think it was) for opto in super jackpot ramp was listed but then right after it stated all were good so I believe you have a good suspect! I hope to look tonight but will report back w/any findings. Thanks again all.