Depending on the brand.
Garage door not closing sensor blinking.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
Lights on garage door opener flash and door will not close garage door light flashing but won t close when you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors.
If your garage door opener is still blinking try realigning the safety reversing sensors.
Often when there s a blinking green light the door also won t operate with the remote.
Blinking green sensors generally mean that the door has detected a fault or a safety issue so it s a way of letting a homeowner know there s a problem.
Otherwise the light is generally on steady green instead.
Once you know that the lock button is not the issue you ll want to check to see if anything is obstructing the sensors or if the sensors need to be realigned.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
The same mechanism kicks in when other objects are placed near the door too.
In general garage door sensors block the door from closing if there is an object nearby.
First check the sensor lights.
You might also experience your garage door opener not working which can be a huge inconvenience.
If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times.
Blinking sensors on a garage door usually aren t a good thing because they re often coupled with the garage door not working the way it should.
This precaution ensures that the door doesn t close when your car is in the doorway.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
If you notice this happen start by seeing if anything is obstructing the.
The transmitters remotes will not work to close the garage door.
If the opener cannot detect that the safety sensors are properly working or connected then the opener lights will flash and the door will refuse to close.
This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
Whether it won t open won t close or only responds intermittently there s a lot of frustration in a garage door that just won t do what it should.
Sensor path make sure nothing is obstructing the sensor beam.
The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors.
When the infra red sensors are malfunctioning usually one of the sensor lights will be blinking.