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    Liftmaster 3800: Up is down and down is up

    Thanks for those ideas/info. Being a novice, I was thinking perhaps something like just flipping the drum, but I hadn't thought through the whole situation thoroughly. I'm definitely not going to remove the springs as that would open a can of worms for sure. I'm pretty sure that reversing the...
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    Liftmaster 3800: Up is down and down is up

    Ok, so I had searched this forum before posting but I guess I didn't look deep enough. I just found a year-old thread where nova65ss says: "Depending on how close to the ceiling it is you may want to turn it upseide down and mount it to the ceiling rather than the wall then it would program...
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    Liftmaster 3800: Up is down and down is up

    Hello all, I installed a Liftmaster 3800 this weekend. Upon reaching the adjustment phase, it was immediately clear that something was amiss. Within a couple minutes I had a theory, but I still have no solution and I'm not 100% sure my theory is correct. The 3800 thinks the door is going up...
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