I have a Craftsman 1/2 HP garage door opener. It was here when I bought the house, and it has been working fine until recently. I just got a second remote for a second car and everything was working fine with both. Now I can't get the original remote to work. Also, the outside keypad code no longer works. I tried to hit the green button on the ceiling unit to reset the remote, but I still can't get the original remote to work. I tried replacing the batteries in both the keypad and the old remote, but nothing seems to be working. Is there somewhere I can find an online owners manual for this opener (model #139.53635SRT)? Thanx - Mike
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