Yes. I used a multi meter and did a continuity check between each of the 9 pins in the connector against the points soldered to the board and found one of the pins had an open. I cut the connector off and replaced it with https://smile.amazon...0?ie=UTF8&psc=1 and it now works. I do have a few extra optical sensors I picked up on eBay in case someone thinks it could fix their issue I would gladly sell (cheap) But I only have 5 I think. Have to look.