It may be a garden tool or something left behind by children such as a wagon or beach ball.
Garage door opener will not open sensor yellow light.
For people who do not know the transmitter has the yellow light and the receiving sensor has the green light.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
The blinking opener lights indicate that the safety sensors are likely blocked or out of alignment.
Defective safety sensors or faulty sensor wiring also cause the opener lights to blink 10 times.
I reprogrammed my genie opener after that was done the door i reprogrammed my genie opener after that was done the door will only go down by holding the wall button down until the door is completely down.
Check power supply to garage door opener.
The safety sensors use an invisible beam of infrared light to detect obstructions in the garage door s path.
Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
Garage door sensor light is yellow not letting door shut.
If your garage door has been in place long enough enough dirt may have formed on the lenses to block.
The garage door sensor yellow light and the green light together create a solid illumination.
Many times the malfunction can be due to a loose connection or broken wire.
If you see that the sender sensor is not yellow and the receiver sensor is not green then this means that your sensors are probably off.
When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity.
Garage door sensor light is yellow not letting door shut.
When this beam is obstructed by an object of some sort you won t see a solid yellow light and the garage door will immediately quit working.
A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up.