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[Don Bowen <don.bowen AT earthlink.net>]

At 12/6/2004, you wrote:
> It is a screw type, a Genie Pro 88, for what that's worth. There are no 
> electric eyes.

You will have some sort of eye for safety.  The usual location is across 
the bottom of the door about one foot off the floor.  It is supposed to be 
there to prevent the door from closing on things like little kids.  Come 
have a  pressure sensitive switch along the bottom of the door.  Code 
requires something.


> After I lubed it, it would start to open the door but only travel about 
> twelve inches, then it would reverse itself, as if it had hit an 
> obstruction, and then go back to the beginning position, where the door is 
> closed. After some time I tried it again and it worked. Then, later it did 
> the false start, stop, and return to Go routine. This morning, it opened 
> the door, I drove out, hit the remote, nothing happened. I ended up 
> disengaging it and closing the door by hand. After I closed it by hand, I 
> reengaged it. When I returned home, it did not open. I opened the door by 
> hand, reengaged it, tried it while looking at it. The motor comes on for a 
> brief period, then shuts itself off. I removed the housing and observed 
> the clutch at the back. When the motor gets the signal from the 
> transmitter it comes on but there is no clutch movement. I am wondering if 
> the many false starts, stops, and returns perhaps stripped something inside.


Look on the side of the unit for two adjustments.  One is the up and the 
other is down.  You may have to search the genie web site for a 
manual.  The up adjustment sets the top stop position and the bottom 
adjustment sets the bottom travel.  Some units do this by limit 
switches.  Some times there will also be a pressure adjustment that sets 
how much pressure causes the motor to stop moving and reverse course.  From 
the sound of yours it may be the problem.  Some times the units will flash 
an error on the lights or you may hear a relay clicking for a few minutes 
after it stops.

Don Bowen
Awl Knotted Up Woodworking
Valley Center, CA             http://www.braingarage.com