The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENERModel 2280 1/2 HP
For Residential Use Only
®
Owner’s Manual
■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 opener are required to ensure safe operation.
■The model number label is located under the light lens on the front panel
of your opener.