Appendix B. Photon LED Codes
The RGB LED of a Photon or Core uses different colors and rates of flashing to indicate what is going on inside the device. After a while, it almost feels like the Photon is demonstrating its current mood by what’s going on in its LED.
Reset Sequence
When you reset a Photon, it will go through the following sequence on the LED:
- Flashing blue: Listening mode, waiting for network information.
- Solid blue: Smart Config complete, network information found.
- Flashing green: Connecting to local WiFi network.
- Flashing cyan: Connecting to Particle cloud.
- High-speed flashing cyan: Particle cloud handshake.
- Slow-breathing cyan: Successfully connected to Particle cloud.
Other Status Codes
- Flashing yellow: Bootloader mode, ...
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