I have copied this from somewhere previously....for my QSI camera:
QSI Camera Beep Codes;
?
Here is the list of beep codes:
Red Amber Description
1 1 Camera over temperature limit
1 2 Camera under temperature limit
1 3 Camera under voltage limit
1 4 Camera over voltage limit
1 5 Filter wheel error or missing
1 6 Shutter disc error or missing
Fatal Errors:
Red Amber Description
2 1 Host descriptor error
2 2 Host command error
2 3 USB buffer overrun
2 4 USB no acknowledgement
2 9 Watchdog timeout
?
Brendan Kinch