LED Indicators
LED 1 shows the controller’s connection status.
| LED 1 | Meaning |
|---|---|
| Slow blink | No Wi-Fi (also during an OTA download) |
| Fast blink | Wi-Fi up, CnC not connected |
| Solid | Connected to CnC |
| Off | Board init failed, or no power |
LED 4 shows feedback while Switch 1 is held. See Switch 1 Button Usage.