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.
Garage door opening not closing.
11 most mon reasons why your garage door won t open dengarden.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
The trolley moves along the chain drive the long track attached to the ceiling when the garage door is opening or closing attached via a metal.
Check to see if the trolley has been disconnected.
The good news is this can be easily adjusted with a screwdriver and a few.
Use a screwdriver to tighten the wire.
When the settings are too high the door senses the floor as an obstruction and immediately opens again after closing.
Garage door openers come with an adjustable switch that dictates.
Posted on may 16 2020 by bandi ruma.
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.
This is of course a safety feature to prevent the heavy garage door crushing anyone or anything that might be in the pathway of the door when it comes down.
Shut off the power to the garage door opener.
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.
Check the door s electric eye.
Finally it s possible the garage door opener s motor.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Turn the power back on and the door should open and close normally.