Garage door opener safety sensors can go bad due to age excess sun or water exposure or from physical damage caused by lawn tools bicycles and trash cans that have been repeatedly hitting the sensors.
Sensors green garage door wont close.
When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close.
If your door control has a lock button it may have been turned on.
The sensors are designed to detect the presence of a car or object and not squash it but defective sensors could cause a garage door not to close as the garage door opener programmed to do so if it believes that something is blocking its path.
First check the sensor lights.
If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed.
The same mechanism kicks in when other objects are placed near the door too.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
Could also try disconnecting the door from the chain should be a pull cord that allows this.
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.
The lock button on the door control in on.
Check if the safety reversing sensors are aligned.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
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.
It could be that they are just barely aligned but the vibration from closing causes them to intermittently break the beam.
So how do you fix this issue.
It blinks red and won t close the garage door.
If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line.
One of my garage door sensors is solid yellow and the other green.
Then try closing the door manually.
If your garage door won t close after aligning the safety sensors you might need to replace them.
In general garage door sensors block the door from closing if there is an object nearby.
Unlock the lock button.
I even tried to manually key in the code.
I can open the garage door with my remote but not close it.
Start by checking if.
The garage door sensor yellow light and the green light together create a solid illumination.
Depending on the brand.
This precaution ensures that the door doesn t close when your car is in the doorway.
