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  1. Outdoors I purchased a replacement remote 139.53778 for my 1995 garage door opener 139.53641SRT. I have followed all the direction, on the opener, in the manual and that came with the remote and I still can't get this thing to work. It initially worked just opening or closing, then would work again in about 5-10 min. now not at all. I have changed the battery, the opener gets a signal I see the light illuminate. what "trick" am i missing? thank you.