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LED Status Indicator

The RGB LED shows the current device status. When multiple states are active simultaneously, the one with the highest priority is displayed.

Status Color Mode Meaning
Normal operation Green Solid Everything OK
Warning Yellow Pulsing WiFi or MQTT issue
Critical error Red Pulsing E.g. meter not detected or OTA failed
Firmware update Magenta Solid OTA update in progress
BLE pairing mode Blue Pulsing Bluetooth waiting for connection
BLE connected Blue Solid Bluetooth device connected
Factory reset Red Solid Factory reset in progress
WattWächter LED Status

Disable LED

The LED can be disabled via the API: 

curl -X POST http://wattwaechter-XXXXXXXXXXXX.local/api/v1/settings \
  -H "Authorization: Bearer WRITE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"ledEnable": false}'