Own model 139.53662SRT2 garage door opener. Only can program one remote at a time. Both work.
Tried the directions in manual. Only allowed to program one at a time.
B b g...
Expert
Lets try erasing all old codes out and start fresh. Push and hold the colored learn button on the back or side of the motor unit until the led light goes out.-----Then press and release the same button and then press the button on the remote. The light bulb should flash once. For more remotes repeat from the ------. For a keyless entry press the learn button and the within 30 seconds press the 4 digit code followed by the up/down button. Again the light bulb should flash once. If they do not code or they still kick out then you need a new logic board. You can get one at sears.com, have the model number ready. Thanks BB
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