Inspect sensor wires for a disconnected or cut wire.
My chamberlain garage door opener will not close.
The garage door opener will not close and the light bulbs flash.
Disconnect your chamberlain garage door opener from the garage door by pulling the emergency release handle down and back towards the garage door.
From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need.
Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
Safety sensors are not installed connected or wires may be cut.