If the LED on your Arlo Essential Video Doorbell Wired is off for more than a minute, your doorbell is not receiving power.
For more information about the LED behaviors on your doorbell, visit What do the LED behaviors on my Arlo Essential Video Doorbell Wired?.
To troubleshoot your Arlo Essential Video Doorbell Wired when the LED is off:
If you have checked all these troubleshooting options, and the doorbell LED is still off, consult an electrician to confirm whether your home is compatible with Arlo Essential Video Doorbell Wired.