LiftMaster LA400 Residential DC Linear Gate Operator User Manual
LiftMaster Safety
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LA400 & LA400-S
M E D I U M D U T Y S W I N G G A T E O P E R A T O R
O W N E R ' S M A N U A L
Serial # Primary Arm
Serial # Secondary Arm
Serial # Control Box
Installation Date
Radio Receiver
Built on Board
315 MHz
The LA400 is intended for use with vehicular swing gates.
The operator can be used in Class I, Class II and Class III applications.
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
Large
Metal Contr
ol
Box (XLM)
Optional
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This manual is related to the following products:
Table of contents
Document Outline
- OWNER'S MANUAL
- TABLE OF CONTENTS
- SAFETY
- INTRODUCTION
- INSTALLATION
- Overview of Typical Installation
- Check Your Gate
- Mounting Options
- Manual Release
- Determine Position of the Pull-to-Open Bracket
- Determine Position of the "Optional" Push-to-Open Bracket
- Assemble Gate Post Bracket (Pull-to-Open)
- Attach Brackets to Gate Operator
- Determine Mounting Location
- Measuring and Marking for the Gate Bracket
- Position Gate Operator on Gate
- Test Gate Travel
- Secure Post Bracket to Gate Post
- Secure Gate Bracket to Gate
- Warning Sign Placement
- Mount the Control Box
- Install the Control Board
- Mount the Control Box (XLM)
- Earth Ground Rod Installation (REQUIRED)
- Wiring the Control Box (XLM)
- WIRING
- ADJUSTMENT
- PROGRAMMING
- ADDITIONAL FEATURES
- OPERATION AND MAINTENANCE
- TROUBLESHOOTING
- REPAIR PARTS
- WARRANTY POLICY
- ACCESSORIES
- TEMPLATE FOR POST BRACKET MOUNTING
- SPANISH
- FRENCH