This is almost always the result of a dirty.
Garage door will go up but not down.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
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.
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.
This could include small items like rocks gum or mud buildup.
Staples can cut insulation and short out the wires.
If it remains your garage door is well balanced and can be moved by the garage door opener.
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.
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.
Overtime these lenses can become coated with grime dirt and even sawdust.
It could also be caused by a buildup of debris on the tracks that prevents the rollers from moving forward.
When the door is appropriately balanced it will neither move up or down but stay in place supported by the springs.
Replace the wiring if needed with garage door opener wiring.
Look for two screws on the motor base.
If you re in the habit of leaving the garage door open a variety of things including.
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.
Check for reversed broken or cut wires.
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.
One will identify downward and one upward.
If the garage door doesn t stay in place call a garage door technician to fix the problem for you.