![]() Eliminate any item in between the sensors Check if something is blocking the way of the safety sensor.To troubleshoot your LiftMaster safety sensors The LiftMaster garage door opener lights will flash Is not properly aligned, or something is obstructing the light beam, the garageĭoor will fail to close. To prevent the garage door from injuring someone in the door, or damaging an item in the way of the door, all models of LiftMaster garage door openers come installed with a safety sensor.Ĭorrectly without reversing, the safety sensors need to be aligned perfectly,Īnd there should be nothing in the way of the light beam. Safety sensor, incorrect force settings, or there is an obstruction on the ![]() Reverses anytime you open or close it, there could be a problem with your There is an additional guide for the “not so common” Liftmaster issues which will be discussed after addressing the three most common problems. We will discuss these common issues in detail and teach you how to troubleshoot your LiftMaster garage door opener when you encounter them.
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