Look for small led lights on the sensors.
Troubleshooting my chamberlain garage door opener sensor no light.
Manually lift the garage door and release it when it is opened halfway when the door is appropriately balanced it will neither move up or down but stay in place supported by the springs.
Sensor power reconnect the sensor to its power supply.
Chamberlain garage door simple sensor diagnose and fix.
The circuit board on your garage door opener will have to be replaced if you want your light to function properly.
If you do not hear a click replace the logic board.
Hopefully one of these options worked for you.
If they re turned on in both the sensors then there is no issue with the power supply.
If you hear a click replace the light socket.
This does not apply to garage door openers that use a work light that is separate from the garage door opener.
From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need.
If you do not hear a click coming from the motor housing then the relay on the circuit board is bad.
The clicking noise you are looking for is the sound that comes from the relay on the circuit board.