DW Spectrum can perform basic diagnostics to determine why a camera is offline. If you cannot fix the problem yourself, it is important to run a diagnostic test prior to contacting support, and provide them with the results.
A camera that is offline will be have an offline icon () in the Resource Tree and will display NO SIGNAL in layout. Diagnostics can be invoked by pressing the Diagnostics button on the item:
Once diagnosis is complete, the analysis and recommended actions will be displayed:
Follow the instructions to resolve the issue. If unsuccessful, contact support (see "Contacting Support").
IMPORTANT: Make sure to click Copy to Clipboard and paste the data into your message prior to sending it to support.