Garage Door Not Closing Without Holding Button Down
Like mentioned above there are two lenses one on each side.
Garage door not closing without holding button down. They can easily become mis aligned due to bumping twisting and loose mounting. 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. Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all. Door starts down then stops before it is closed.
One sends a beam of infra red light to the other. Depending on the brand. If an operational problem exists and the garage door opener will not close the opener can be forced to close. Check for interference from adjacent photo eye sensors of any brand.
When this happens your garage door will only close by holding down on the wall button or wall console until the door fully closes. When you can close the door with the wall button by holding it down until it completely closes and the remotes only make the door move a small amount and the door returns that is the sign of the safety sensor system. 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. Step by step procedures to try if the garage door of your home will not go down without holding the button before calling a repair man was this video helpful.
First check the sensor lights. The transmitters remotes will not work to close the garage door. 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 something is blocking the safety beam then the garage door will not close.