LiftMaster 3800 Manual
Manuals and User Guides for this LiftMaster item
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UPC - 012381308002
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Recent LiftMaster 3800-related questions: Explain How To Get To The Logic Board On A Liftmaster 3800 Thank YouI Can't Open The Door. The Door Control Doesn't Light Up, But My Tester Shows Voltage. I Purchased A... My Lift Master 3800 Pld Has Had Problems Opening And Closing. Wires Were Tighte
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Just installed the unit and tried to set travel limits,but all it does is I hear the unit run inside...