It is vital for one to know how to tell if the garage door sensor is bad.
How to tell if garage door sensor is bad.
The sensors that make garage doors safer must be located in the worst possible place close to the floor.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
If one of the leds is blinking the sensors need to be realigned.
One sensor is contantly flashing red.
Below are steps to guide you through the assessment process.
Look at both the garage door sensors.
Here s how to tell if garage door sensor is bad five things to check.
Measure the door sensors height.
The units are placed near the ground on either side of the garage door.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
I did a quick look up in the attic to see if the wiring was loose but didnt notice anything unusual.
Electric garage door openers are a great innovation but as is the case with every electric electronic component things can go bad and malfunction.
If the beam of light is interrupted while the garage door is closing the door will stop and rise back up.
Measure the height of the garage door sensors to get the required height of objects to block it.
Sensors malfunction due to a number of reasons.
I checked the breaker box and nothing.
Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units.
No obstructions in the way.