If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs to be adjusted.
My garage door closes and then opens again.
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 brain can wear out in time so you could need a replacement.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
It may be your garage door sensor.
Your garage door s logic board is the brain of your garage door opener.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
Before calling on a professional follow these steps.
If this is a sears srt without external travel limit switches the internal travel limit is out of adjustment telling the opener to continue after the bottom of the door makes contact with the garage floor basically driving it into the ground until the force required exceeds what the safety system force is set at.
It goes partway down reverses direction and goes back up again.
This is almost always the result of a dirty or obstructed safety feature.
Garage door opener keeps going back up.
As these wires short against the housing the electrical impulse causes the door opener to activate.
However if your garage door opens by itself we may be able to explain that one and give you some tips to troubleshoot your garage door operator to prevent it from happening again.
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.
Measure the distance of the gap from the bottom of the.
You push the button to close the garage door.
Scan the safety sensors.
There may also be loose wire connections inside the button housing itself.