Chamberlain 2280-267 User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Models 2280 1/2 HP
2280-267 1/2 HP
2280-976 1/2 HP
For Residential Use Only
®
Owner’s Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
■ The door WILL NOT CLOSE unless the Protector System
®
is connected and
properly aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is located on the front panel of your opener.
®

Chamberlain 2280-267 Specifications

General

Type	Chain Drive
Horsepower	1/2 HP
Battery Backup	No
Remote Control	Yes
Remote Controls Included	2
Max Door Height	7 ft
Security	Security+2.0 rolling code technology

Summary

Introduction

Assembly

Installation

Key Installation Instructions

Crucial safety precautions and guidelines to follow before and during installation.

Header Bracket and Rail Installation

Opener Positioning and Door Connection

Controls, Light, and Electrical Installation

Safety Sensor Installation

Details on installing and aligning the safety sensors for automatic reversal.

Adjustment

Adjust Travel Limits

Setting the points where the door stops during opening and closing cycles.

Adjust Door Force

Regulating the opener's power to open and close the door safely.

Test Safety Reversal and Protector Systems

Verifying the safety reversal system and protector system functions.

Operation

Operational Safety Instructions

Critical safety rules to follow while using the garage door opener.

Troubleshooting Common Issues

Door Closing and Reversal Issues

Addresses door not closing and reversal, likely due to safety sensor problems.

Remote and Control Issues

Covers remotes not activating, control panel issues, and light behavior.

Motor Unit and Trolley Problems

Troubleshoots motor hums, stuck trolleys, and overheating.

Diagnostic Chart

Safety Sensor Diagnostic Codes

Motor and Control Diagnostic Codes

Programming

Program Remote Controls

Keyless Entry PIN Management