Smart Garage Opener
Contents
Preparation ...................................... 2-5
Assembly .......................................6-10
Installation ..................................11-28
Install the Door Control ............21-22
Install the Protector System® ....23-26
Connect power .........................27-28
Adjustments .................................29-31
MyQ® Smartphone Control .................32
Operation .....................................33-39
Using your Garage Door Opener .....34
To Open the Door Manually ...........34
Motion Detecting
Control Panel ...........................35-36
Multi-Function Control Panel .... 37-38
Remote Control .............................38
Homelink® ...................................38
To Erase the Memory .....................39
Maintenance .....................................40
Troubleshooting ........................... 41-42
Accessories ........................................ 43
Warranty ........................................... 44
Repair Parts ................................. 45-47
Owner’s Manual
B550C • B750C • B751C
Belt 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 left side panel of your
garage door opener.
• This garage door opener is compatible with MyQ® and
Security+b2.0® 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.
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