CHAMBERLAIN ®
LiftM
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GARAGE
The Chamberlain Group, Inc.
845 Larch Avenue
EImhurst, Illinois 60126-1196
www.liftmaster.com
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®
DOOR OPENER
Model Series 1200
For Residential Use Only
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LiftMaster
Model 1256R- I/2HP
Model 1246R- I/3HP
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Model 1255R - I/2HP
Model 1245R - I/3HP
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Model 1240R - 1/4HP
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 on the front panel of your opener.
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