Hey Guest!
Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
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This one is a simple 6.5 foot single bay steel door with a screw drive 1/2 horse motor.
Admittedly, I was messing with it. I didn't like the apparent gap at one end, so I adjusted it.
Two days later it started to automatically rebound back up. It just won't shut. Once it hits bottom, it just pops back up just like it hit something--which it did not. I've carefully checked and I'm not seeing any way it's hitting anything.
Do you suppose it's something about how I've located the stop switch along the upper screw drive rail?
Ideas?
Admittedly, I was messing with it. I didn't like the apparent gap at one end, so I adjusted it.
Two days later it started to automatically rebound back up. It just won't shut. Once it hits bottom, it just pops back up just like it hit something--which it did not. I've carefully checked and I'm not seeing any way it's hitting anything.
Do you suppose it's something about how I've located the stop switch along the upper screw drive rail?
Ideas?
