How To Adjust Liftmaster Garage Door Sensors

How to install safety sensors correctly.

How to adjust liftmaster garage door sensors.

The photo eye of an automatic opening garage door is a safety feature. For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. Adjust the garage door opener mechanism.

If so the motor rotate slightly in the case and tears the cabling and connectors. 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. Higher than that can miss many low lying objects including pets. Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.

Worst case buy new sensors they are commonly sold separately. Watch this video to see how the pro s do it. Another reason for flashing light is the motor position sensor and it s printed circuit board. Lower is easy to stand above with a foot on either side.

If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone. If the photo eye senses an obstruction it stops the door from closing and. The motor has much torque and if it is old the rubber mount may be cracked. This video will help you in wiring up your safety sensors if you have p.

How to adjust a photo eye on a garage door. This video will show you how to align the safety reversing sensors on your garage door opener.