Message
Cause
The diagnostic interface starts up and tries to determine the state of the TV box, but the API that provides the device properties has timed out or given an error.
These properties can include states on conditional access, time zones or sources, firmware download, HDMI, HDCP, card disconnect, or channel map.
Additional information
Visit our Online Support Center to find common solutions.

The easiest way to activate, manage, and troubleshoot your Xfinity experience is with the Xfinity app! Get 24/7 real-time support, pay your bill, view plan details, get outage updates, and more. Download the free Xfinity app, or scan the QR code with your smartphone.
Need additional support? Ask Xfinity Assistant.