LiftMaster 3800 Support Questions
View all LiftMaster 3800 questions
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All LiftMaster Questions
LiftMaster - Removing Black Plastic Cover
Can see and remove one screw at bottom of black plastic cover, but still cannot get cover off. how d...
Can see and remove one screw at bottom of black plastic cover, but still cannot get cover off. how d...
(Posted by nevlaing 3 years ago)
LiftMaster - On The Sensors It Showing Two Wires Going Into The Quick Connect I Have Four Wir
how do I put the wires in for the sensor two sensors for wires
how do I put the wires in for the sensor two sensors for wires
(Posted by ruckustak 3 years ago)
LiftMaster - Explain How To Get To The Logic Board On A Liftmaster 3800 Thank You
I Can't Open The Door. The Door Control Doesn't Light Up, But My Tester Shows Voltage. I Purchased A...
I Can't Open The Door. The Door Control Doesn't Light Up, But My Tester Shows Voltage. I Purchased A...
(Posted by GJO0688 4 years ago)
LiftMaster - Instructions On How To Replace Liftmaster 3800 Circuit Board
(Posted by audrkrbill 10 years ago)
LiftMaster - How To Install Cable Wire For Garage Door Opener Model 3800
(Posted by laedmhrink 10 years ago)
