The Ruuvi Air has a two LED indicators – one located at the bottom of the device and one (main LED) at the front facing panel of Ruuvi Air. These LED indicators will tell you when your device is working correctly or indicate various errors with colour combinations.
Use this simple guide to quickly check the status of your Ruuvi Air. If you require more detailed information about LED indicators, please refer to docs.ruuvi.com
Bottom LED indications
LED step length is 100 ms.
In the below list, indication codes are represented as follows:
โ๐ดโ represents the red LED being on
โ๐ขโ represents the green LED being on
โ-โ indicates that the LEDs are off
| Sensor booting, red shown for 500ms once. | “๐ด” |
| Normal operation. Peripheral sensors polling 1/s. | “๐ข-” |
| NFC event triggered. | “๐ข-” |
| Button pressed. | “๐ข+๐ด” |
| Solid red. Firmware loader is active and waits for connection. | “๐ด” |
| Solid green. Firmware loader is active and connected. | “๐ข” |
| Error: Factory flashed firmware recovery fail. | “๐ด-๐ด- ———“ |
| Error: System has halted. | “๐ด-๐ด-๐ด- ———“ |
| Error: software assert triggered. | “๐ด-๐ด-๐ด-๐ด- ———“ |
Main LED indications
In the below list, indication codes are represented as follows:
โ๐ตโ represents the blue LED being on
โโชโ represents the white LED being on
โ-โ indicates that the LEDs are off
| Blue LED brightness increases from 0 to 100% for 500 ms. After boot device is waiting for first air quality measurement to become valid. | “-๐ต๐ต๐ต๐ต๐ต๐ต๐ต๐ต๐ต-“ |
| Blue LED flashes once per second. Firmware loader is active. | “๐ต———-“ |
| White LED brightness increases from 0 to 100% for 500 ms. Firmware update in progress. | “-โชโชโชโชโชโชโชโชโช-“ |
| Error: No valid air quality received in 30 seconds, or SEN66 sensor is disconnected/unresponsive. | “-“ |
Pinhole button functions
Locate the pinhole button at the bottom of Ruuvi Air to access various button functions as described below.
| Change main LED brightness | Short button press |
| Activate firmware loader | Button press +5 seconds |
| Activate factory flashed firmware recovery | Button press 5+10 seconds |