Chamberlain Group Inc The 2D1911 Benutzerhandbuch

• Please read this manual and the

enclosed safety materials carefully!

• The door WILL NOT CLOSE unless the

Protector System

®

 and cable tension

monitor are connected and properly aligned.

• Periodic checks of the garage door opener

are required to ensure safe operation.

• The model number is located on the

front cover of the opener.

• This garage door opener is ONLY

compatible with MyQ

®

 and Security+ 2.0

®

accessories.

• Attach warning labels to the location

indicated on label.

This product is intended for installation only by trained garage door technicians. This product may 
require adjustments to door springs and/or track configurations. This product is not intended for 
use on low headroom tracks with outside pickup drum or garage doors utilizing extension springs.

For Residential Use

Install On Sectional Doors With Torsion Assemblies Only

Wall Mount Wi-Fi

®

 Garage Door Opener

Model 8500W

LiftMaster
300 Windsor Drive
Oak Brook, IL 60523

Take a photo of the 
camera icon including 
the points (

).

Send it in by texting
the photo to 71403 
(US)

 or visit 

www.liftmaster.photo 
(Global)

SM

ead this manual and the

enclosed safety materials carefully!
The door WILL NOT CLOSE unless the

 and cable tension

e connected and properly aligned.

Periodic checks of the garage door opener

ead this manual and the

oduct is intended for installation only by trained garage door technicians. This product may 

require adjustments to door springs and/or track configurations. This product is not intended for 
use on low headroom tracks with outside pickup drum or garage doors utilizing extension springs.

oduct is intended for installation only by trained garage door technicians. This product may 

require adjustments to door springs and/or track configurations. This product is not intended for