When a garage door descends on command but then immediately reverses itself the problem is usually with the sensor eyes along the side tracks or with the door s wheels binding in their tracks.
My garage door keeps going up and down by itself.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
The garage door goes down then back up.
If these limits are set too high the door will hit the ground before reaching the closed limit.
Your garage door opens immediately after closing.
A power surge from a lightning strike or other electrical problem can cause the board to go bad as well as the transformer.
Garage door opener keeps going back up.
It goes partway down reverses direction and goes back up again.
Your garage door opens when it hits the ground.
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.
This is almost always the result of a dirty or obstructed safety feature.
Here are a few scenarios we ve come across.
It may be your garage door sensor.
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.
If your garage door keeps opening by itself after you closed it you may have to adjust your closed limit settings.
But when the door begins to descend all on its own the problem may point to the opener s logic board or the circuitry inside the motor unit itself.
Yes it s possible although rare for your garage door to open by itself.
Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency.
When the garage door reaches the open or closed limit it stops.
Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing.
The first is photoelectric and the second is mechanical.
You push the button to close the garage door.
Garage doors use radio frequencies to open and close.
The garage door keeps going up and down.
There are a few unusual factors that can cause your door open by itself.
If the safety sensors and operator button are working correctly and no bad wiring or connections are found your issue may be with the control board in the garage door opener itself.
Other devices also use the same frequencies.
