One will identify downward and one upward.
Garage door will go up but not down.
Overtime these lenses can become coated with grime dirt and even sawdust.
Look for two screws on the motor base.
This is almost always the result of a dirty.
There may be another sensor near the motor that tells the unit how far to let the garage door go down.
It goes partway down reverses direction and goes back up again.
How to fix a garage door that won t go all the way down safety sensors.
Now if your garage door still won t go down after you ve made sure the sensors are properly aligned and there s no obstructions you ll want to take a damp cloth and wipe down the lenses of the sensors.
If it remains your garage door is well balanced and can be moved by the garage door opener.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
If the garage door doesn t stay in place call a garage door technician to fix the problem for you.
When the door is appropriately balanced it will neither move up or down but stay in place supported by the springs.
If you find that your garage door closes part way and then goes back up this can be triggered by objects on the ground blocking their path such as garbage cans or toys.
Check for reversed broken or cut wires.
This could include small items like rocks gum or mud buildup.
Now lift the garage door to the ceiling.
Step by step procedures to try if the garage door of your home will not go down without holding the button before calling a repair man was this video helpful.
If you re in the habit of leaving the garage door open a variety of things including.
If the door goes up but you can t make it go down you probably need to adjust the sensors.
For series ii wall console you can remove the wires from the back of the wall console and touch them together to see if the garage door moves.
If this is set too short your garage door may not shut all the way or it may slam hard on the ground and go back up.