LiftMaster 3800 Support Questions
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Most Popular LiftMaster 3800 Questions
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...
My Lift Master 3800 Pld Has Had Problems Opening And Closing. Wires Were Tighte
Now the GFI has tripped. What causes this. I have been told the circuit board/ chip to operate often...
Now the GFI has tripped. What causes this. I have been told the circuit board/ chip to operate often...
Help With 3800 Programing
Just installed the unit and tried to set travel limits,but all it does is I hear the unit run inside...
Just installed the unit and tried to set travel limits,but all it does is I hear the unit run inside...
Liftmaster 3800pld Built-in Battery Back-up?
Does the 3800PLD have a built-in battery back-up?
Does the 3800PLD have a built-in battery back-up?
It Works Fine But I Open It Manual 1 Time And The Open And Close Limits Are Gon
I OPEN IT MANUAL AND ITS LIKE THE OPEN AND CLOSE LIMITS ARE GONE . IT OPENS A LITTLE AND CLOSES AGAI...
I OPEN IT MANUAL AND ITS LIKE THE OPEN AND CLOSE LIMITS ARE GONE . IT OPENS A LITTLE AND CLOSES AGAI...
LiftMaster 3800 Answers
Removing Black Plastic Cover
Please check this link below:-Please click here this video we'll complete the set up of the Liftmast...
Please check this link below:-Please click here this video we'll complete the set up of the Liftmast...
On The Sensors It Showing Two Wires Going Into The Quick Connect I Have Four Wir
The transformer has 2 gray wires and 2 blue wires, the two gray wires connect to the connector on th...
The transformer has 2 gray wires and 2 blue wires, the two gray wires connect to the connector on th...
Explain How To Get To The Logic Board On A Liftmaster 3800 Thank You
See https://www.youtube.com/watch?v=fPH2gL7hAt0.
See https://www.youtube.com/watch?v=fPH2gL7hAt0.
It Works Fine But I Open It Manual 1 Time And The Open And Close Limits Are Gon
The reason the door opens and closes so quickly is because the safety sensors, which should be locat...
The reason the door opens and closes so quickly is because the safety sensors, which should be locat...
Difference Between Security+ Vs Security+ 2.0?
The difference is night and day. The Security+ was made before 2005 and do not have the technologyfo...
The difference is night and day. The Security+ was made before 2005 and do not have the technologyfo...
All LiftMaster 3800 Questions
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)
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)
How To Program Homelink To Liftmaster 3800
(Posted by luis0mar 9 years ago)
How Do I Reset The Travel Limits On 3800 Pld
(Posted by sywhicsh122 9 years ago)
Instructions On How To Replace Liftmaster 3800 Circuit Board
(Posted by audrkrbill 10 years ago)
Liftmaster 3800 Motor Hums Does Not Lift Door
(Posted by docwola 10 years ago)
How To Remove Cover Of Liftmaster 3800
(Posted by aesstev 10 years ago)
How To Clear Codes On Liftmaster 3800 Remote
(Posted by cwaynsin 10 years ago)
How To Install Cable Wire For Garage Door Opener Model 3800
(Posted by laedmhrink 10 years ago)
Where Does The Laser Assist Wire To A Liftmaster 3800
(Posted by cshfdon 10 years ago)
How To Repair Liftmaster 3800
(Posted by jhandre 10 years ago)
Liftmaster 3800 Won't Close
(Posted by njslearn 10 years ago)
Lift Master 3800 Wont Close
(Posted by asupasm 10 years ago)
Why Does Liftmaster 3800 Open By Itself
(Posted by jebakgard 10 years ago)
Will A Door Bell Switch Work For A Garage Door Push Button
(Posted by fedppoli 10 years ago)