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PRIMUS
R
660 Digital Weather Radar System
A28–1146–111
REV 2
In–Flight Troubleshooting
8-6
FC FAULT TYPE
LINE
MAINT
PILOT
MSG
FAULT NAMEFAULT DESCRIPTIONXREF
4813 Timing FPGA RAM
4814 Timing FPGA REG
05 4815 IO FPGA RAM
FPGA RADAR
FAIL
PULL
RTA
POWER ON
4828 FPGA Download
FAIL RTA
4906 IO FPGA REG
06 4847 STC Monitor STC DAC RADAR
FAIL
PULL
RTA
POWER ON
07 4830 HVPS Monitor HVPS MON RADAR
FAIL
PULL
RTA
CONTINUOUS
4816 DSP RAM
4817 DSP Video RAM POWER ON
4855 DSP Watchdog CONTINUOUS
10 4900 Mailbox Miscompare DSP RADAR
FAIL
PULL
RTA
4901 DSP HOLDA Asserted
4902 DSP HOLDA Not
Asserted
POWER ON
4825 Filament Monitor
11
4827 Severe Magnetron
MAGNETRON
RADAR
FAIL
PULL
RTA
LATCHED
11
4829 PFN Trim Monitor HVPS MON
FAIL RTA
CONTINUOUS
12 4831 Pulse Width PULSE WIDTH RADAR
UNCAL
PULL
RTA
CONTINUOUS
13 4832 Elevation Error EL POSITION TILT
UNCAL
CHK
RADOME
/RTA
CONTINUOUS
14 4833 Azimuth Error AZ POSITION AZIMUTH
UNCAL
CHK
RADOME
/RTA
CONTINUOUS
15 4836 Over TEMP OVER–TEMP RADAR
CAUTION
PULL
RTA
CONTINUOUS
16 4837 XMITTER Power XMTR POWER RADAR
UNCAL
PULL
RTA
CONTINUOUS
4839 No SCI Control
CHK CHK
20
4911 No ARINC 429 Control
NO CNTL IN CNTL
SRC
CNTL
SRC
PROBE
Text Faults
Table 8–2 (cont)