The following table displays the FC LED states:
| LED label | LED color | Normal state | State | Description |
|---|---|---|---|---|
| PWR | Green | On steady | Off steady | No power |
| On steady | Power is supplied by primary voltage | |||
| ERR | Red | Off steady | Constant rapid blinks | RS-485 communication error |
| Off steady | No errors | |||
| STS | Green | 1 Hz blinks |
1 Hz blinks |
Normal operation |
| Off steady | Controller fault | |||
| TXRX | Yellow | 1 Hz to 5 Hz blinks | 1 Hz to 5 Hz blinks | Normal data communication |
|
Off steady |
No data transmission |