LiftMaster 3840 3840 Manual - Page 2

Table Of Contents, Introduction - review

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TABLE OF CONTENTS Introduction 2-5 Safety symbol and signal word review 2 Preparing your garage door 3 Tools needed 3 Planning 4 Carton inventory 5 Hardware inventory 5 Assembly 6 Fasten rail to the motor unit 6 Installation 7-22 Installation safety instructions 7 Determine the header bracket location 8 Install the header bracket 9 Attach the rail to the header bracket 10 Install the Protector System 11-13 Position the opener 14 Hang the opener 15 Install the Smart Control Panel 16 Install the Standby Power (Optional 17 Install the lights 17 Attach the emergency release rope and handle 17 Electrical requirements 18 Complete safety reversing sensor installation 18 Fasten the door bracket 19 Connect the door arm to the trolley 21-22 Adjustment 23-25 Program the travel limits 23 Set the force 24 Test the safety reversal system 25 Test the Protector System 25 Operation 26-33 Operation safety instructions 26 Using your garage door opener 26 Using the Smart Control Panel 27 Using the remote control 28 Troubleshooting 28 To open the door manually 28 Care of your garage door opener 28 Using the remote control 29 The remote control battery 29 Troubleshooting 29 Standby Power (Optional 30 Having a problem 31 Diagnostic chart 32-33 Programming 34-35 To add or reprogram a hand-held remote control . . . . . 34 To erase all codes 34 3-Button remotes 34 To add, reprogram or change a Keyless Entry PIN 35 Repair Parts 36-37 Rail assembly parts 36 Installation parts 36 Motor unit assembly parts 37 Accessories 38 Notes 39 Repair Parts and Service 40 Warranty 40 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in this manual. Mechanical Electrical When you see these Safety Symbols and Signal Words on the following pages, they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them. The hazard may come from something mechanical or from electric shock. Read the warnings carefully. When you see this Signal Word on the following pages, it will alert you to the possibility of damage to your garage door and/or the garage door opener if you do not comply with the cautionary statements that accompany it. Read them carefully. 2

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2
Introduction
2-5
Safety symbol and signal word review. . . . . . . . . . . . . . .2
Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . 3
Tools needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Planning
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Carton inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Hardware inventory
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Assembly
6
Fasten rail to the motor unit . . . . . . . . . . . . . . . . . . . . . . . 6
Installation
7-22
Installation safety instructions
. . . . . . . . . . . . . . . . . . . . . 7
Determine the header bracket location
. . . . . . . . . . . . . . 8
Install the header bracket. . . . . . . . . . . . . . . . . . . . . . . . .9
Attach the rail to the header bracket
. . . . . . . . . . . . . . . 10
Install the Protector System
®
. . . . . . . . . . . . . . . . . . 11-13
Position the opener
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Hang the opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Install the Smart Control Panel
®
. . . . . . . . . . . . . . . . . . . 16
Install the Standby Power (Optional) . . . . . . . . . . . . . . . 17
Install the lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Attach the emergency release rope and handle
. . . . . . 17
Electrical requirements. . . . . . . . . . . . . . . . . . . . . . . . . .18
Complete safety reversing sensor installation . . . . . . . . 18
Fasten the door bracket . . . . . . . . . . . . . . . . . . . . . . . . . 19
Connect the door arm to the trolley . . . . . . . . . . . . . 21-22
Adjustment
23-25
Program the travel limits
. . . . . . . . . . . . . . . . . . . . . . . . 23
Set the force. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Test the safety reversal system . . . . . . . . . . . . . . . . . . . 25
Test the Protector System
®
. . . . . . . . . . . . . . . . . . . . . . 25
Operation
26-33
Operation safety instructions . . . . . . . . . . . . . . . . . . . . .26
Using your garage door opener . . . . . . . . . . . . . . . . . . . 26
Using the Smart Control Panel
®
. . . . . . . . . . . . . . . . . . . 27
Using the remote control
. . . . . . . . . . . . . . . . . . . . . . . . 28
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
To open the door manually
. . . . . . . . . . . . . . . . . . . . . . 28
Care of your garage door opener. . . . . . . . . . . . . . . . . . 28
Using the remote control
. . . . . . . . . . . . . . . . . . . . . . . . 29
The remote control battery . . . . . . . . . . . . . . . . . . . . . . . 29
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Standby Power (Optional)
. . . . . . . . . . . . . . . . . . . . . . . 30
Having a problem? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Diagnostic chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-33
Programming
34-35
To add or reprogram a hand-held remote control . . . . .34
To erase all codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
3-Button remotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
To add, reprogram or change
a Keyless Entry PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Repair Parts
36-37
Rail assembly parts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Installation parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Motor unit assembly parts
. . . . . . . . . . . . . . . . . . . . . . . 37
Accessories
38
Notes
39
Repair Parts and Service
40
Warranty
40
TABLE OF CONTENTS
When you see these Safety Symbols and Signal Words on
the following pages, they will alert you to the possibility of
serious injury or death
if you do not comply with the
warnings that accompany them. The hazard may come
from something mechanical or from electric shock. Read
the warnings carefully.
When you see this Signal Word on the following pages, it
will alert you to the possibility of damage to your garage
door and/or the garage door opener if you do not comply
with the cautionary statements that accompany it. Read
them carefully.
INTRODUCTION
Safety Symbol
and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed, operated,
maintained and tested in strict accordance with the instructions and warnings contained in this manual.
Mechanical
Electrical