I have a big security problem with my Sears Craftsman 1/2 HP garage door opener. I lost one of the remote (probably near my house) and I re-coded the one that I had, hoping that the other lost one would be useless. This is not so unfortunately. Is there anyone who can tell me how to make the lost remote useless? I have another garage door opener with two remotes and I can't just change a code on one remote. Because they are the same frequency, only one has to be programmed. I have Green LCD on the back for programming a code, made in 1999.

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hold down the programming button until the light by it goes out...then reprogram your new remote according to instructions.

This is a common concern and very easy to do. Just locate the remote LEARN button, press it continuously for 10-12 seconds or untli the LED light goes off, at that point all remote devices will be deleted fom the machine's memory. Simply reprogram your existing remotes by pressing and releasing the LEARN button above and then press and release the button on your remote. You'll have to reprogram each remote individually using the above steps.

This works on Stanley SecureCode, Genie Intellicode, *****/Craftsman/Liftmaster.Chamberlain/MasterMechanic Security+ and the Linear Megacode formats.

Martial Maitam
http://www.aaaremotes.com
800-849-3998