I received my pin NIB with a May 12th 2021 build date. Flippers weren't working, lower playfield lights under slings, apron, and flippers not working. Swapped out Node Board 8 with my JP one flippers started working but was getting two faults. 1. Trough Malfunction 2. Overcurrent Protection. Disconnected Connector 15 on Node Board 8 and the faults when away. The connector handles the lights on circuit 171 which are all the lights. After looking more into the wires on the 171 circuit found that a zip tie was binding up the wires that run into the right flipper mounting bracket. That bracket cut them and was allowing them to ground out. Put paper between the wires and metal and all is well. Installed the original Node board and all lights works and no more alerts.
I am having an issue with the garage ball lock. I sees ball 1 and 3 but not ball 2. Did the Opto test and it sees 1 & 3 on switch test. All the optos are on one circuit. Took everything apart and cleaned the optos. Not really away to adjust and if I did then in theory it would bump 1 & 3 out of the way. After cleaning the Optos now it will recognize ball 2 locked after ball searching a couple of times. If the ball drains on the left drain it then start Wild Woman Multiball. If the ball drains on the right side multiball doesn't start and half the time the pin doesn't recognize it as ball drained and start the next ball.
My distrubtor has been amazing to deal with, but he can only do so much. Stern has sent some emails, but waiting on a response for ball lock issue.
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