The d3kOS dashboard includes a service status panel that shows the health of each background process. Understanding what each indicator means helps you diagnose problems quickly without needing SSH access.
Green indicator. The service is running and responding normally. For data services, this also means the service received a valid reading within the last 30 seconds.
Yellow indicator. The service is running but has not received data recently, or is in a degraded state. Common causes: NMEA 2000 device powered off, GPS signal lost indoors, or the AI service is waiting for a network response.
Red indicator. The service has stopped. Tap the Restart button to attempt an automatic restart. If it returns to red within 60 seconds, check the service log for an error message.
Services listed in the panel: Signal K (NMEA 2000 data broker), AI Bridge (voice and AI features), Predictive Maintenance (engine trend analysis), Voice Assistant (microphone and speaker), and GPS (position fix status).
If all services are red after boot. This usually means the Pi ran out of memory during startup, or a service crashed and took others down. Power cycle the Pi and allow 90 seconds for full startup before checking again.
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