Debugging Home Assistant Integrations

Step 1: Enable Debug Logging

Add to configuration.yaml:

logger:
  default: warning
  logs:
    custom_components.{domain}: debug
    homeassistant.config_entries: debug

View: Settings → System → Logs, or tail -f config/home-assistant.log

Step 2: Identify Error Category

| Symptom | Likely Cause | Check |