Check the normally open switch on the Hold (R) relay with White-Black and White-Red wires.

For a switch to work 3 things are necessary:
1) When open, there should be a small space between the contact points (duh)
2) When closing, the long blade's contact point should push the short blade's contact point enough to move the short blade
3) The contact points should be clean, which they usually will be if #2 is happening

A NC sw. on score motor cam 3D controls them.

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