TO WATCH VIDEOS GO TO:
tinyurl.com/lgh5x3h
Garage Opener
Contents
Preparation ......................................2-5
Assembly .......................................6-10
Installation .................................. 11-28
Install the Door Control ............ 21-22
Install the Protector System® .... 23-26
Power
...................................... 27-28
Adjustments ................................. 29-31
Battery Backup ..................................32
myQ® Smartphone Control .................33
Operation ..................................... 34-37
Features
.......................................35
Using your Garage Door Opener .....36
Remote
Control
.............................36
Homelink®
...................................36
To Erase the Memory .....................37
To Open the Door Manually ...........37
Maintenance .....................................38
Troubleshooting ........................... 39-40
Accessories ........................................41
Warranty ...........................................42
Repair Parts ................................. 43-44
Owner’s Manual
C273
Chain Drive
Garage Door Opener
FOR RESIDENTIAL USE ONLY
PRE-PROGRAMMED REMOTE CONTROL
INCLUDED
www.chamberlain.com
www.mychamberlain.com
• 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 garage door opener are required to ensure
safe operation.
• The model number label is located on the front panel of your garage
door opener.
• This garage door opener is compatible with myQ® and
S
b
2.0® accessories.
• DO NOT install on a one-piece door if using devices or features
providing unattended close. Unattended devices and features are
to be used ONLY with sectional doors.
