How To Adjust Garage Door Sensor (DIY Project Download)

If the line of the string isn’t level, adjust 1 or both garage door sensors by sliding the mounting bracket upward. Continue until the sensors are once again level. Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard. When determining whether they need to be replaced or just adjusted, you need to look at all the options. Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. If the opener lights are flashing, the Safety Reversing Sensors are either not installed, misaligned, or obstructed.

how to adjust garage door sensor 2If your garage door sensors are not working properly, they may be either dirty or out of alignment. Adjust each garage door sensor to no more than 6 inches off the ground. Depending on the age of your opener there are several different ways to adjust the sensitivity. The sensitivity is a function on all brands of openers that you adjust the strength the opener uses to open or close garage door. Make sure you are holding the remote within range of the garage door opener and that the motor unit’s antenna is hanging down. TROUBLESHOOT: As of 1993, garage door openers come equipped with a pair of sensor beams. Solution: The close limit switch probably needs adjusting.

How to Set Limits on the new line of Genie Garage Door Openers. When the infra-red sensors are malfunctioning, usually one of the sensor lights will be blinking. Adjusting sensors. When adjusting the reversing sensors to your garage door opener, first check to make sure that the wire connections are in fact connected. Years ago garage door openers were required to utilize safety sensors to prevent doors from closing on small children. Loosen the receiving eye wing nut and adjust sensor until it receives the sender’s beam.

How To Align Garage Door Sensors

Since 1993, garage doors manufactured in the U.S. are required to have a safety reversing system. Adjust the alignment by tightening the brackets attached to the sensors. Why do the lights on my garage door opener flash and my door will not close? Two (2) flashes indicate an open, broken, disconnected sensor wire, or the safety sensors are NOT installed. Run the opener through a complete travel cycle after each adjustment.

Garage Door Troubleshooting