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I have a Linear LD003 garage door opener which is wired and I have remotes from one of two cars and some handheld remotes too. In all cases, using any of the remotes allows me to close one of our garage doors, but none of remotes can open the door. We have a fixed wire connection to the same door and that opens and closes it just fine, so I know it's not a mechanical problem, per se. Any suggestions?

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  • Try turning one of the remotes upside-down :-) Oct 16, 2016 at 0:35
  • So, you have two garage doors, and only one exhibits this behavior? Oct 16, 2016 at 2:51
  • Correct. I have two garage doors and only one of them has gone bad.
    – hackR
    Oct 16, 2016 at 13:38
  • This is an 8 year old unit that was working well until this happened
    – hackR
    Oct 16, 2016 at 13:41
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    1) Check batteries 2) Try the same remote from inside the garage 3) Try disabling any & all (flourescent) lights near the garage door motor (bc interference) 4) Keep in mind it could be the logic board / receiver on the inside 5) Good fortune
    – Jacksonkr
    Aug 18, 2022 at 16:55

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Well duh. I'm such a idiot! :-(

On the switching unit on the garage wall there is a small grey button that can be moved up and down. Somehow this grey switch (marked with a padlock symbol) was moved down into the locked position -- I guess this prevents remotes from operating. The grey switch needs to be placed into the up (symbol = open padlock) for the external remotes to work.

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    For anyone else who has this problem in the future, note that some opener wall switches have this feature as a push-button, not a slide switch. I had exactly this same issue a few years ago, so it's too bad I didn't see your question then.
    – Moshe Katz
    Oct 30, 2022 at 16:18

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