Resetting Garage Door Sensors

Troubleshooting safety sensors for garage doors.

Resetting garage door sensors. Use a pair of wire cutters to cut the white and black wire about an inch from the sensor. Join us as we show the step by step process on aligning your safety reverse sensors. Disconnect the emergency release cord. Check that the line of the string is level.

Led colors range by brand and model. Reattach the cut wires to the new sensors. You will still be able to use the doors by manually opening or closing it. If the line of the string isn t level adjust 1 or both garage door sensors by sliding the mounting bracket upward.

Safety sensors are critical components of most automatic garage doors. To reset the system you will need to locate the button on the motor that reads learn or home in many cases this button will be located on the same side as the device s antenna and next to an led. Most newer garage door openers function by learning the frequency of the handheld openers. This will cause the trolley to move into position and reconnect to the garage door.

Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one. Cut the wires about 1 inch 2 5 cm from the safety sensor. Press the garage door opener wall button to fully open the garage door. If done correctly you ll have disconnected your safety sensors from your garage door.

If you have an automatic garage door then you have to disconnect the door sensors. Try opening the garage door with the remote and see what happens. Now press the remote control. Lay a level so the bottom runs along the string.

The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone. The safest way to bypass a garage door sensor is to disconnect the garage door from the opener. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. Step 2 pull the emergency release cord to disconnect the garage door from the opener.

Continue until the sensors are once again level. To reconnect the garage door to your liftmaster garage door opener manually close the garage door pull the emergency release handle down.