Controlled Products Systems Group 8550C-7 - Manuel

CONTENTS
Preparation . . . . . . . . . . . . . . . .2-3
Assembly . . . . . . . . . . . . . . . . .4-5
Installation . . . . . . . . . . . . . . . 6-13
Install the Door Control . . . . . . 14-16
Install the Protector System ® . . 17-20
Power. . . . . . . . . . . . . . . . . . 21-22
Adjustments . . . . . . . . . . . . . 23-25
Battery Backup*. . . . . . . . . . . 26-27
Operation . . . . . . . . . . . . . . . . . 28
Features . . . . . . . . . . . . . . . . . . 29
Door Control . . . . . . . . . . . . . 30-31
Remote Control . . . . . . . . . . . 32-33
To Erase the Memory . . . . . . . . . 33
To Open the Door Manually . . . . . 34
Maintenance . . . . . . . . . . . . . . . 34
Troubleshooting. . . . . . . . . . . 35-36
Accessories. . . . . . . . . . . . . . . . 37
Warranty. . . . . . . . . . . . . . . . . . 38
Repair Parts . . . . . . . . . . . . . 39-41
* If applicable
ELITE Series
Garage Door Opener
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
■ 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 ONLY compatible with MyQ ® and 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.
NOTE: If you are installing the garage door opener on a one-piece door, visit
www.liftmaster.com for installation instructions.
www.liftmaster.com
Serial Number:
Date of Purchase:
Models
• 8550 - DC Belt Drive
with Battery Backup
• 8557 - 3/4 hp
Belt Drive
FOR RESIDENTIAL USE ONLY
.
Write down the following information for
future reference: