“AC” loss is an indicator that your system is not receiving electrical power. If you are not currently experiencing a power outage, check all of your circuit breakers. A service visit may be required. Was this article helpful to you? Related Articles How do I record video from another camera? How do I save Touchscreen Video Recording (TVR) video? Why is my subscriber portal not recording history/not recognizing when doors are opened? Why can’t I log into my app? Why is my Touchscreen black/frozen? Why can’t I view my cameras? Comments are closed.