Quote:
Originally Posted by wdfifteen
First thing I would do is pop the motor drive release and see if how opens and closes manually. If it seems OK I would cycle the motor without the door engaged.
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Do this first !
P.S. you definitely have springs, wether they are extension springs, or torsion springs. There is one manufacturer, the name escapes me at the moment, that has the springs inside of a small diameter barrel running above the door. Those of course you cannot see to tell if a spring is broken.