Garage Door Opener Closes Then Opens Again

To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.

Garage door opener closes then opens again.

Incorrectly set limit switches may prevent your garage door from closing completely or opening all the way. In the down direction if the limit is set beyond the point at which the door closes fully the door will hit the floor and act as if it is hitting something and the safety feature tells it to reverse. Close the garage door with the opener and watch it closely as it closes. 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.

My garage door opener randomly opens the door by itself. It closes and then opens again when the door touches the ground. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise. They can also cause the ope.

These limits set the distance the door will open or close before stopping. The garage door opener limit switch tells the motor that lifts and lowers the garage door when to stop running. It can seem quite ghostly having your garage door operate with a mind of its own. But one of the more perplexing issues is when the door goes up and down by itself with no help from you.

It s a craftsman 1 2 hp model 139 5. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Get logic board replacement.

41a4315 7d dated as 12 02. Your garage door s logic board is the brain of your garage door opener. Most garage door openers have an open and close limit control. They are usually on the motor housing and you access them by opening a panel or removing the housing cover.

This brain can wear out in time so you could need a replacement. I ve already tried changing the numbers on the unit itself and the remotes but it still keeps happening. My gargae door will start to close but then stops and opens again. We have a craftsman garage door opener part number.

Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance. You have an open limit and a close limit on your garage door opener.