Table 6-1: Most significant alarm word for CS messages
Bit
1
Description
0080 XXXX XXXX
The external heater blower assembly temperature is out of bounds
0040 XXXX XXXX
External heater blower failure
0020 XXXX XXXX
The PSUs internal temperature is high
0010 XXXX XXXX
PSU OS has failed its signature check
0008 XXXX XXXX
No communications between DSP and PSU
0004 XXXX XXXX
Photo diode and Laser windows are dirty. This can only be set if the
laser is on
0002 XXXX XXXX
Tilt beyond limit set by user, default 45 degrees
0001 XXXX XXXX
No communications between DSP and inclinometer board
1
Alarm words are sum of error bits.
Table 6-2: Middle alarm word for CS messages
Bit
1
Description
XXXX 8000 XXXX
The sensors internal humidity is high
XXXX 4000 XXXX
Communications to the DSP board temperature and humidity chip
have failed
XXXX 2000 XXXX
DSP input supply voltage is low
XXXX 1000 XXXX
Self-test active
XXXX 0800 XXXX
Watch dog counter updated
XXXX 0400 XXXX
User setting stored in flash failed their signature checks
XXXX 0200 XXXX
DSP factory calibration stored in flash has failed its signature check
XXXX 0100 XXXX
DSP board OS signature test failed
XXXX 0080 XXXX
DSP board RAM test failed
XXXX 0040 XXXX
DSP boards on board PSUs are out of bounds
XXXX 0020 XXXX
TOP board non-volatile storage is corrupt
XXXX 0010 XXXX
TOP board OS signature test has failed
SkyVUE™8M Tactical LIDAR Ceilometer
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