Bird Technologies BDS-Manual - Manual (Page 27)

13
Status LEDs
The receiver has four status LEDs. Each LED can have four conditions, off (O), on green (G), on yellow (Y), and on red
(R). The four letters in the LED code column are arranged left-to-right as viewed on the instrument. The letters indi-
cate the condition of each LED. The meaning of the code is in the description column.
Code Description
OOOO No power applied
RRRR CPU Exception to unknown vector
OROR RAM Failure
ORRO Bootloader checksum failure
ORRR Kernel Failure
OOOR CPU Fault - Illegal instruction
OORO CPU Fault - Address error
OORR CPU Fault - Unimplemented A-line
OROO CPU Fault - Unimplemented F-line
YYOO Bootloader RAM test pass
YYYO Bootloader loaded
YYYY Bootloader running
GYYY Operating system loaded
GGYY Operating system running
GGGY Main applications running, but calibration data has not
been loaded (the probe is disconnected).
GGGG System is ready with all components connected and
all calibration data loaded.
YGGY Loading FPGA image.
RYYY DSP Error – general or initialization failure.
YRYY DSP error – DCM lock failure.
YYRY DSP error – PLL lock failure.
YRRY DSP error – heartbeat flat-line. DSP stopped
producing data.
YYYR Fatal application software error – unrecoverable
exception caught.
RYRY Fatal application software error – assertion failure.
YRYR Fatal application software error – segmentation fault.
YYRR Fatal application software error – bus error.