Your garage door must be properly balanced in order to set your limit and force settings correctly and to ensure your door passes the safety reversal test.
Liftmaster garage door balance test.
Before 2011 utilize adjustment screws to set the travel and force.
Garage door before installing and operating garage door opener to avoid entanglement.
Remove any ropes connected to garage door.
Test your garage door s balance by disconnecting the opener if applicable then leave the door open at different positions and watch for up and down movements to determine whether you need to add or remove tension from the springs.
Complete the following test to make sure your garage door is balanced and is not sticking or binding.
Preparing your garage door before you begin.
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.
Before making any adjustments to your garage door opener we recommend that you test the balance of your garage door.
Liftmaster garage door openers troubleshooting support get the liftmaster garage door support you need from chamberlain group.