In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
Garage door stays closed a few inches.
You should find two plastic screw heads or knobs on the back side or bottom of the housing.
Check the garage door for binding.
Door starts up but stops before it is completely open.
It goes partway down reverses direction and goes back up again.
Check the motor housing mounted to the ceiling of your garage.
Liftmaster provides a helpful resource that explains how to adjust a limit switch.
Check the opening closing force controls.
If your garage door isn t staying open or staying closed you may need to adjust your limit switch which requires only a flathead screwdriver.
This is almost always the result of a dirty or obstructed safety feature.
Check the closing force control.
Test the garage door to see if it stays closed.
If the door starts to open but won t move more than a few inches the torsion spring may be broken.
It s a common scene around the phoenix area when temperatures hover at obscenely hot levels.
Garage doors that are cracked open a few inches.
The transmitters remotes will not work to close the garage door.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Garage door will not close all the way leaves gap at bottom my garage door will not fully close all the way there is about a once inch 1 gap at the bottom.
You will find that the door will only move an inch or so in the close direction and reverse.
You push the button to close the garage door.
View liftmaster resources on this topic your logic board needs replaced.
Start by rotating the down limit screw or knob one complete turn in the minus direction.
You can usually tell if a torsion spring is broken by looking at it.
Check if limits are properly set and adjust them as needed.
When this happens your garage door will only close by holding down on the wall button or wall console until the door fully closes.
Be sure the garage door opener and springs are in good repair properly lubricated adjusted and balanced.