...
| Application Function | Black | Red | Amber | Green |
|---|---|---|---|---|
| Internet | N/A | Not connected | N/A | Connected |
| SSI | USB adapter not connected | No connection/communication with Park Module | Incorrect ident | OK |
| Power | N/A | Running on battery/battery voltage low | Running on batter/battery voltage ok | Mains connected |
| OS | N/A | Not started | Miss configured | OK |
| Centrix | N/A | Not connected | No traffic for more than 1 minute | OK/Connected |
| Events | Uninitialised | Internal fault | Miss configured | OK |
| NTP | N/A | Not connected | Clock not set | OK |
| Watchdog | N/A | An application has failed | N/A | All OK |
...