Perhaps the safest thing to do is to run a bolt thru the track so the roller can't go past that point and let the force limit setting on the door stop it.
I looked online and it looks like it might have a programming button to set the limit that you hold until it reaches the desired point. I'd suggest calling Genie's support line and have them walk you through it.
The manual page is here but I don't see your model:
http://www.geniecompany.com/support.aspx
You can get expert advice through:
http://www.geniecompany.com/su...t_technical-faq.aspx
Contact your local Genie Professional Dealer.
Use our online Customer Service form to request information
Send us an E-mail: genie_info@geniecompany.com
Call Genie Customer service: 1-800-35-GENIE (1-800-354-3643.)
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