Garage Door Zone

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Garage Door Zone

Questions & discussions of garage door operator problems and solutions.

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2 posters

    Troubleshooting Liftmaster Plus 1240R

    DigitalDeath1969
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    DigitalDeath1969


    Posts : 1
    Join date : 2022-11-23
    • Post n°1

    Troubleshooting Liftmaster Plus 1240R Empty Troubleshooting Liftmaster Plus 1240R

    Post  DigitalDeath1969 Wed Nov 23, 2022 8:38 pm

    Hi all. New subscriber. I need help diagnosing an issue with my Chamberlain Liftmaster Plus model 1240R. The opener only works with the wall mounted push button. The remote and the wireless connection to my vehicles (Home Link?) has quit working. The logic board is 41A5021-1E. Can anyone tell me what I need to replace on the logic board to fix this?

    TIA
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    GDZone
    GDZone
    GDZone
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    • Post n°2

    Troubleshooting Liftmaster Plus 1240R Empty Re: Troubleshooting Liftmaster Plus 1240R

    Post  GDZone Mon Nov 28, 2022 12:34 pm

    Welcome  cheers

    Have you tried reprogramming the remote? I would suggest that first. If that doesn't work then it's possible the radio receiver part of the logic board is bad & the logic board needs replaced. Do a Google search for the logic board number and you should find vendors that sell it.


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