Recent content by Mytwocargarage

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    Liftmaster 3800

    Andy the 3800 and 8500 have different logic boards and travel modules and the control panel. The 3800 can be upgraded with the 888LM (with idiot lights) but if you have a LCD Smart control panel you loose that in place of the upgrade but you can have a LCD Smart control panel on the 8500...
  2. M

    LM3800 Interference?

    I have interference problems with my LM 3800 since it was installed, it's so random that most of the time LM support just sends me another logic board (board 3) but I know it's not the logic board. I'm surprised this wasn't a class action issue against them because I read all over the web that...
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    Liftmaster 3800

    I have a question for a pro that knows about 3800 and 8500's. I have a 3800 and have had problems with reception since it was installed, I have had logic boards replaced and then continue to have poor range and many times I have to get out of the car and get close to open it. I recently found...
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