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Question About Chamberlain Garage Door Opener 1240R - 1/4HP
just got a new remote for Chamberlain LiftMaster S...

just got a new remote for Chamberlain LiftMaster Security +. Twice since then the door has opened all by itself. How can we stop this undesired operation?

Asked by Nancy on 10/27/2014 1  Answer

ManualsOnline posted an answer 10 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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