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Question About Craftsman Garage Door Opener 41A5021-3H
My craftsman 41A5021-3H will not go all the way up...

My craftsman 41A5021-3H will not go all the way up. The up adjustment is maxed out. I noticed the chain sagging with the door down. I adjusted it to no avail. The electronics appear to be working fine. Ideas?

Asked by Todd on 11/08/2014 0  Answer

ManualsOnline posted an answer 10 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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