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 not closing properly adjust arm.
Turn the screw marked close or down counterclockwise using a flathead screwdriver.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Refer to the owner s manual to determine which is.
If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Finally it s possible the garage door opener s motor.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
One sends a beam of infra red light to the other.
Turn the screw one half to one full turn.
There are usually two springs on each side of the garage door to swing it up.
Push the door back to adjust the door and get the center aligned again.
If you ve checked the sensor eyes and alignment and the door still won t work properly the open and close limits could be to blame.
By pushing the door back into position you should have made the vertical track straighten.
This may only move the door two or three inches closer to the.
Adjust the springs on both sides of the door the same way.
Adjust the garage door opener mechanism.
If your garage door isn t closing all the way but also doesn t reverse you might need to adjust something called the limit switch.
If it was opening too quickly move it to the next lower hole.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
Once the spring is free of tension remove from its track hanger.
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 you need to change their tensions move them to a new hole.
These settings also referred to as travel limits tell the opener.
Check that it is straight.
Springs are one of the main causes of malfunctioning garage doors.