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Recent LiftMaster LA412UL-related questions: Where Do You Grease The Lift Master ArmWhere do you grease the lift master arm My Dual Gate Operators Are Throwing 93 And 94 Codes
how do I get rid of these codes my gates will open but they won't close Error Code 42. How To Clear.
My Lift Master 8550-267 door control display has an error code 42.Read out is: "EXCESSIVE OPENING FO...