Liftmaster is a reputable brand when it comes to garage door openers as well as home automation systems.
Manually lift garage door.
If you cannot open it check that you ve correctly detached the lever and try again.
This becomes necessary when there is a power failure or for some reason you lose your remote.
Torsion spring systems use spring s that are mounted to a spring bar torsion tube that is.
It should move smoothly and only require a little force to open and close.
If you are unable to lift the door manually due to extreme weight its possible you have a broken spring.
To locate the bypass switch look for a red rope hanging down from your garage mechanisms.
In this post you will find downloadable links to all models of liftmaster garage door opener manual.
Many electronic garage doors come with a bypass switch allowing you to override the system and manually lift it open when needed.
Bending over and attempting to put your weight into the door may result in lower back injuries.
Using both hands and help from others if you need it raise the garage door.
Manually move the garage door and return to down position.
All electronic or automatic garage doors have a bypass that will allow you to open it manually.
Step 2 will allow you to freely move the garage door to open and closed positions.
A word of warning.
Manually lift the garage door.
If you pull the emergency release lever while the door is open you can cause the garage door to shut rapidly.
Before you set your garage door opener with your garage door it s crucial to read the owner s manual.
Position yourself at the base of the garage door and slide your hands under the bottom.
This is true weather you have a torsion or extension spring system.
Do not try to force the door open if there is resistance.
The emergency release cord disconnects the trolley from the carriage so that the door operates manually.
Once the lever is disengaged you should be able to open and close your garage door by hand.
Usually a properly working garage door will roll open easily due to the torque in the springs but it is important to lift with your back straight up.