How to program 2 remotes for garage door opener-sh be able to prog up to 4? When 1 works-other won't
both will work but only 1 at a time can be programmed. Both have new batteries. Light will not blink when pressing SRT button once 1 has been programmed--blocks others.
B b g...
Expert
This indicates that the receiver is full or you need a replacement logic board. First erase all old codes by holding down the SRT button until the led light by it goes out.---Now press and release the SRT button and then press the remotes button. The light bulb should flash once. For multiple remotes repeat from ----.
If this does not work you will need a new logic board. Also protect the unit with a surge protector 900 joules or higher as this is the main cause for this type of failure. You can go to searspartsdirect.com for a replacement part. Thanks BBJoin this conversation.
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