Chamberlain Garage Door Opener Manual Error Code 42

Liftmaster 45dcbl5 garage opener panel has a fault code of excessive opening force detected code 42 and will get a excessive closing force detected code 43. Repair the garage door if it doesn t travel smoothly. I would also verify that the door is not going up slightly crooked just enough to bind perform the following tests first i would close the door and then disconnect the door from craftsman garage door opener.

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