What happens when you manually close the runout switch on the 10s score reel as Mark diagramed in post #37? It should reset the score reel to 0 if it’s clean and you manually close it. As Mark said, you can identify the switches by wire color in the snippet he posted.
It shows in the diagram he highlighted the wire your looking for to identify the runout switch on the 10s reel is orange with a red tracer.