My Chamberlain Garage Door Opener Will Not Close

Inspect sensor wires for a disconnected or cut wire.
My chamberlain garage door opener will not close. Safety sensors are not installed connected or wires may be cut. There is a short or reversed wire for the safety sensors. From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need. 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.