Error codes are indicated by the lights rapidly flashing the same pattern. They are read as a binary 4-bit number, with the red button as the LSB, and the 3 LEDs across the front as the upper bits:
| Hex | Bin | Code | Description |
|---|---|---|---|
0x1 |
---R |
ERR_NO_SD |
No SD card detected or bad wiring. |
0x2 |
--W- |
|
|
0x3 |
--WR |
ERR_NO_START_WAV |
Missing start.wav |
0x4 |
-W-- |
|
|
0x5 |
-W-R |
ERR_NO_LOOP_WAV |
Missing loop.wav |
0x6 |
-WW- |
|
|
0x7 |
-WWR |
|
|
0x8 |
W--- |
|
|
0x9 |
W--R |
ERR_NO_SHUT_WAV |
Missing shutdown.wav |
0xA |
W-W- |
|
|
0xB |
W-WR |
|
|
0xC |
WW-- |
|
|
0xD |
WW-R |
|
|
0xE |
WWW- |
|
|
0xF |
WWWR |
|