Die LED blinkt dann eine bestimmte Anzahl von (optional) langen und dann kurzen Impulsen. Meistens wiederholt sich das Muster nach einer zweisekündigen Pause.
| Long flashes | Short flashes | Status |
|---|---|---|
| 0 | 3 | Generic failure to boot |
| 0 | 4 | start*.elf not found |
| 0 | 7 | Kernel image not found |
| 0 | 8 | SDRAM failure |
| 0 | 9 | Insufficient SDRAM |
| 0 | 10 | In HALT state |
| 2 | 1 | Partition not FAT |
| 2 | 2 | Failed to read from partition |
| 2 | 3 | Extended partition not FAT |
| 2 | 4 | File signature/hash mismatch - Pi 4 and Pi 5 |
| 3 | 1 | SPI EEPROM error - Pi 4 and Pi 5 |
| 3 | 2 | SPI EEPROM is write protected - Pi 4 and Pi 5 |
| 3 | 3 | I2C error - Pi 4 and Pi 5 |
| 3 | 4 | Secure-boot configuration is not valid |
| 4 | 3 | RP1 not found |
| 4 | 4 | Unsupported board type |
| 4 | 5 | Fatal firmware error |
| 4 | 6 | Power failure type A |
| 4 | 7 | Power failure type B |
Hier der Link zur entsprechenden Dokumentation der Herstellerfirma (Stand: 03/2025): LED warning flash codes
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