PRIMUSR 660 Digital Weather Radar System
A28–1146–111
REV 2 8-7
In–Flight Troubleshooting
FC FAULT TYPE
LINE
MAINT
PILOT
MSG
FAULT NAMEFAULT DESCRIPTIONXREF
4840 AGC Limiting PICTURE
UNCAL CONTINUOUS
21 4927 AGC RX DAC Monitor AGC PULL
RTA
4928 AGC TX DAC Monitor
RADAR
FAIL
RTA POWER ON
22 4841 Selftest OSC Failure RCVR
SELF–TEST PICTURE
UNCAL PULL
RTA CONTINUOUS
4843 Multiple AFC Unlocks
24 4845 AFC Sweeping AFC
SPOKING
LIKELY PULL
CONTINUOUS
24
4929 AFC RX DAC Monitor
AFC PULL
RTA
4930 AFC Trim DAC Monitor
RADAR
FAIL POWER ON
4848 AHRS/IRS Source
27
4852 Analog STAB REF
NO STAB SRC STAB
UNCAL CHK ATT
SRC INSTALLATION
34 4853 Scan Switch Off SCAN SWITCH SCAN
SWITCH CHK
SWITCH INSTALLATION
35 4854 XMIT Switch Off XMIT SWITCH XMIT
SWITCH CHK
SWITCH INSTALLATION
4914 Invalid
Altitude/Airspeed/STAB
Strapping INVALID RADAR CHK
36 4915 Invalid Controller
Source Strapping
STRAPS UNCAL STRAPS POWER ON
4916 Config1 Database
Version/Size Mismatch IOP RADAR
FAIL PULL
RTA
Text Faults
Table 8–2