Before making any adjustments to your garage door opener we recommend that you test the balance of your garage door.
Liftmaster garage door balance test.
Liftmaster garage door openers troubleshooting support get the liftmaster garage door support you need from chamberlain group.
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.
Before 2011 utilize adjustment screws to set the travel and force.
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.
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.
These screws are located on either side of the garage door opener.
Lift the door about halfway as shown.
Garage door openers manufactured approximately.