You ll also want to make sure you keep the trolley about 2 to 4 inches from the protection bolt.
Garage door opener going up and down.
I have a craftsman 1 2 hp garage door opener.
It can seem quite ghostly having your garage door operate with a mind of its own.
Recently when i tried to open the garage door with my remote the door only went up a few inches stopped and went back down.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
Video of a garage door setup with two doors operating on a dual upper track.
If your garage door opens part of the way at least 5 feet and then stops you ll want to turn the up limit knob to the right.
Besides a short in the circuit board any number of mechanisms that are involved in making the door open and close could be the cause of the garage door opener s ghost movement.
Turn off the sure lock aka vacation mode on the wall console check if limits are properly set check the door balance condition and door spring check opening force control or force settings.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
This is related to the up limit switch.
Garage door opener keeps going back up.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
Try making small adjustments.
I tried to use the key pad and the button inside the garage and the same thing happened.
Set the step ladder under the garage door opener in your garage and use it to access the up and down limit switch adjustment screws located on the side of the garage door opener motor housing.
Garage door with liftmaster opener going up and down by using the remote and the wall button.
The garage door keeps going up and down.
But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
It may be your garage door sensor.
Your garage door opens when it hits the ground.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
Your garage door opens immediately after closing.
Now if your garage door stops opening up before it gets to 5 feet you ll need to adjust the open or up force nob.