PRIMUSR 660 Digital Weather Radar System
A28–1146–111
REV 2 8-5
In–Flight Troubleshooting
FAULT CODE AND TEXT FAULT RELATIONSHIPS

Table 8–2 lists the relationship between:

DFault codes (FC)

DPilot/Maintenance (MAINT) Messages

DFault Name/type/description/cross reference (XREF).

FC XREF FAULT DESCRIPTION FAULT NAME PILOT
MSG LINE
MAINT FAULT TYPE
4808 Startup Code CRC
4809 IOP Code CRC
01 4810 DSP Code CRC FLASH CRC RADAR
FAIL PULL
RTA POWER ON
4904 CONFIG Table CRC
4905 FPGA Firmware CRC
4846 2V ADC Reference CONTINUOUS
4903 IOP Ready IOP RADAR
FAIL PULL
RTA
02 4908 INT ARINC 429
Loopback POWER ON
4910 Spurious ARINC
Interrupt IOP CONTINUOUS
4913 ARINC 429 INT
Coupling IOP
RADAR
FAIL PULL
RTA
POWER ON
4806 EEPROM Timer CRC FLASH CRC POWER ON
4811 EEPROM POC
RADAR
FAIL PULL
RTA POWER ON
03 4842 STAB Trim CRC EEPROM REDO
STAB
TRIM
REDO
STAB
TRIM
4912 Calibration CRC IOP RADAR
FAIL PULL
RTA
POWER ON
4812 IOP Mailbox
04
4818 DSP Mailbox
MAILBOX RAM RADAR
FAIL PULL
RTA POWER ON
Text Faults

Table 8–2 (cont)