A garage door s opener limits are a set of instructions that tell the door when it s fully closed and flush to the floor.
Garage door is not staying closed.
There can be a few reasons as to why your garage door won t stay closed and by doing some snooping and checking a few parts of the garage door system you ll be able to see what s really going on.
If you re craftsman chamberlain etc garage door opener is closing and then opening up its likely a common problem related to the stop limit mechanism.
If they aren t gently bend them to restore a clear connection and secure a clean escape from.
Back off the close limit screw until your door never hits the ground on the way down then slowly 1 open and close at a time adjust it down until the door just reaches the ground.
Your garage door may be binding i e not rolling smoothly along the garage door tracks.
The travel controls how far the door goes up and down.
The most common reason as to why a garage door won t stay closed is that the limit settings are off.
When a door won t stay closed the problem is usually with the strike plate and not the door itself.
To test for this use the manual release handle rope hanging from garage door opener track to release the garage door from the opener.
Begin by tapping the small metal tab inside the plate toward the door with a hammer and screwdriver.
When a garage door won t stay closed the most likely problem is that the limit settings are off.
Most newer openers have a safety feature that makes the door reverse if it encounters an obstruction.
Does your garage door keep coming back up after it hits the floor.
Garage door not closing all the way.
If the door still won t stay shut double check that the sensors are aligned with each other.
If your garage door is closing fully staying shut for just a second or two and opening again on its own incorrect opener limits are likely the culprit.
You just need to adjust the travel setting on your door opener.