DLPS052 October 2015 DLPA3000
The illumination block is continuously monitored for system failures to prevent damage to the DLPA3000 and LEDs. Several possible failures are monitored, such as a broken control loop and a too high or too low output voltage VLED. The overall illumination fault bit is in register 0x0C (ILLUM_FAULT). If any of the below failures occur, the ILLUM_FAULT bit may be set high:
Where PG is power good and OV is overvoltage.