The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
Contents
Important Safety Instructions ......... 2-3
Operation....................................4
Using the Door Control ....................5
Programming - Door Control Panel .....6
Programming - Remote Controls ........7
To Erase the Memory ......................7
To Open the Door Manually ..............8
Adjustment ..................................9
Program the Travel ...................... 10
Test the Safety Reversal System ...... 11
Test the Protector System
®
............ 11
Maintenance .............................. 12
Troubleshooting ...................... 13-14
Repair Parts .............................. 15
Warranty .................................. 16
CONTRACTOR Series
Garage Door Opener
■
Please read this guide and the enclosed safety materials carefully!
■
The door WILL NOT CLOSE unless the Protector System
®
is connected and
properly aligned.
■
Periodic checks of the garage door opener are required to ensure safe
operation.
■
This garage door opener is ONLY compatible with Security
✚
2.0™ accessories.
■
DO NOT enable the Timer-to-Close feature if you are installing the garage
door opener on a one-piece door. The Timer-to-Close is to be used ONLY with
sectional doors.
■
Attach enclosed warning labels to the location indicated on label.
Serial Number:
Date of Purchase:
User’s Guide
FOR RESIDENTIAL USE ONLY
Write down the following information
for future reference:
The images throughout this manual are for reference and your product may look different.
CONTACT INFORMATION
Leave this User’s Guide with the homeowner.
..