Garage door opener quit working. I replaced the batteries, but it still is not working ... Opener was in the house when I purchased it.. I do not know anything about them.. please help
Hi; I have a Problem where my GDO buckles the chain guide rail
when trying to open the door.I recently replaced the chain gear drive and sprocket but it does the same thing.Could this be an out of phase motor issue.Model No:139.53975SRT1..
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