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Recent LiftMaster LA400UL-related questions: Control Box Open Doorwhat type of screw was used on the la400pkgul control box. i cant find a screwdriver or head to open... I Tried To Program Another Remote And Nowmy Gate Won't Open With Pin Pad Or Ol
I tried to program another remote for my gate and now it won't open with pin pad or old remote. All ... 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...