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andrepoitras 12-29-2012 10:51 PM

garage door open and close
I've installed a new trolley. Door closes and then rises about a foot then stops.

Missouri Bound 12-29-2012 11:19 PM

More information this an opener problem or a spring problem?:wallbash:

joecaption 12-29-2012 11:31 PM

What style spring is it?

Thurman 12-30-2012 09:15 AM

This sounds as if it is an opener problem: The door is going just slightly passed the "down stop" position within the controller, actually going just a bit past the micro-switch which stops the controller motor. The weight of the door makes it go past this micro-switch, the the controller recognizes that the switch is not made, puts the controller into the "raise door" mode until the switch is satisfied. All that is needed is some fine-tuning on the door's "stop-down" and "stop-up" adjustments. Remember: If you adjust one setting you will more than likely have to adjust the other just a bit.

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