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2 x LiftMaster 800 garage door openers
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I have two LiftMaster 800 Garage Doors and a Chamberlain Gate opener. These all work correctly on the old 3 button remote. I bought some additional remotes (but they are 4 button). When I set them up on the garage doors pressing the orange button and then the small button on the remote, either small button now opens both doors. (not what I intended Rolleyes  ). Could the new remotes be faulty or have I done something wrong?
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