|Administering the Community / Managing Add-ons and Apps|
Some add-on services use diagnostics, or a health check, that show the network status and provide other system messages.
Use the Service diagnostics to check on the network connection status of an add-on, as well as any messaging from the resources connected to that add-on. Not all add-ons include service diagnostics, so don't be surprised if there's no link.
To check the health of your add-on: