If you do not hear a click replace the logic board.
Troubleshooting my chamberlain garage door opener sensor no light.
If you hear a click replace the light socket.
If they re turned on in both the sensors then there is no issue with the power supply.
Chamberlain garage door openers troubleshooting support find the chamberlain garage door opener technical support you need to get your garage door opener operational.
A common cause of a malfunctioning garage door sensor is lack of power supply.
The clicking noise you are looking for is the sound that comes from the relay on the circuit board.
Hopefully one of these options worked for you.
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.
Disconnect your chamberlain garage door opener from the garage door by pulling the emergency release handle down and back towards the garage door.
If you do not hear a click coming from the motor housing then the relay on the circuit board is bad.
Chamberlain garage door simple sensor diagnose and fix.
Look for small led lights on the sensors.
Sensor power reconnect the sensor to its power supply.