Remote and keypad compatibility

chuck1123March 25, 2007

I had a Sears mdl139.53970SRT opener which kept eating the plastic gears. I just bought a Sears mdl139.53910D to replace it. I thought they were the same unit but I can't get the old remotes and the keypad to work with the new unit. Can someone help with the compatibility issue?

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They aren't compatible. The frequency has changed.

    Bookmark   March 25, 2007 at 5:00PM
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By the By if your opener is eating plastic gears your have a door problem. Probably too heavy. Correct the door problem and you won't eat any more gears.

    Bookmark   April 6, 2007 at 12:39AM
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You have to buy a new remote. Darn thing cost $50, too. So, your 35 dollar keypad thing really costs 85 dollars (plus 50 for each additional remote). Sears! Thanks to helper 2007 for everything!

    Bookmark   April 10, 2007 at 12:56PM
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