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Craftsman Garage Door Opener:
My garage door opened suddenly for no reason. I used a remote to close it. A few hours later, it opened partially, then stopped.
Again, I closed it with a remote. I went out to the garage at this point, and the wall switch would not open or close the door, only the remotes. But,now when I used the remote, the door would partially open, then close, then open fully for about 30 seconds, then fully close! My remotes are model 139.53778, and the unit is a 1/2 horse.
Any ideas as to whats going on, or how to fix it?
My garage door opened suddenly for no reason. I used a remote to close it. A few hours later, it opened partially, then stopped.
Again, I closed it with a remote. I went out to the garage at this point, and the wall switch would not open or close the door, only the remotes. But,now when I used the remote, the door would partially open, then close, then open fully for about 30 seconds, then fully close! My remotes are model 139.53778, and the unit is a 1/2 horse.
Any ideas as to whats going on, or how to fix it?
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