How To Lock Liftmaster Garage Door Manually

One thing to keep in mind when searching for your manual is the age of your liftmaster opener.

How to lock liftmaster garage door manually.

Beginning in 1993 federal safety standards required that all garage door openers include an anti entrapment feature like the infrared garage door sensors found on most modern models. The automatic lock is included in 8500w. The automatic garage door lock 841lm is available and sold separately for liftmaster garage door opener models. As a result of the change in safety standards many manufacturers have been deleting pre 1993 manuals from what.

Test equipment regularly and follow safety instructions. Liftmaster garage door openers troubleshooting support get the liftmaster garage door support you need from chamberlain group. Our liftmaster system requires your garage door meet all wind load specifications and guidelines provided by your local building codes. Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem.