The following error codes may be returned by the PixelKey. For a full list of allocated error codes see the pixelkey_error_t enum in the PixelKey documentation.

Value	Description
	General errors
1	Invalid arguments
2	Keyframe buffer full
3	Communication error or timeout
4	Input buffer overflow
5	Index out of range
6	Keyframe processing stopped
7	RTC not set
	Configuration and command specific errors
16	Configuration key not found
17	NV-mem error on configuration save
18	Configuration value out of range or wrong type
	Firmware upgrade errors
32	Missing FW image blocks
33	CRC mismatch