L3 FA2100 CVR Component Maintenance Manual With Illustrated Parts List page 223

9. MODEL FA2100CVR TROUBLESHOOTING
WARNING: VOLTAGES CAPABLE OF FATAL INJURY ARE PRESENT AT THE RECORDER
INPUT CONNECTOR. ONLY QUALIFIED MAINTENANCE TECHNICIANS SHOULD
PERFORM THE FOLLOWING MAINTENANCE.
CAUTION: THE FA2100CVR's PRINTED WIRING ASSEMBLIES (PWA) CONTAIN DEVICES
SENSITIVE TO ELECTROSTATIC DISCHARGE (ESD). PERSONNEL HANDLING A
PRINTED WIRING BOARD SHOULD COMPLY WITH PROPER ESD HANDLING
PROCEDURES. FAILURE TO DO SO MAY RESULT IN DAMAGE TO THE ESD
SENSITIVE DEVICES RENDERING THE PRINTED WIRING BOARD USELESS.
PRIOR TO HANDLING A PRINTED WIRING BOARD, ENSURE PROPER
PERSONNEL GROUNDING TECHNIQUES ARE USED. ALSO, ENSURE THAT ALL
PRINTED WIRING ASSEMBLIES BOARDS ARE PLACED INTO STATIC SHIELDING
CONDUCTIVE BAGS WHEN HANDLING OR STORING.
Table 105. FA2100 CVR Fault Code Corrective Actions
Fault Code
cde0
09d7
89d2
690X, 89d2,
0X0855
6900
6901, 6902,
6904
6901
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
The document reference is online, please check the correspondence between the online documentation and the printed version.
AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
FA2100CVR
Failure Mode
An invalid partition map
was found
The SMP Check timed out
waiting for audio
channelizer to shutdown.
Next power−up will
generate a CVR Bad
Indices (latched fault).
Power supply failure
combined with CVR bad
indices and read after
write errors
18v Power Supply Failure
BITE Error: Negative 12 &
5 volt & 5 Volt (VCC)
power supply failure
Negative 12 volt power
supply failure.
Corrective Action
1) Remove Memory.
1) ck cables.
2) If fault codes persist, then remove and replace
Audio Compressor PWA, p/ns: 205E3977-( ).
3) Run autotest & recheck recorder status.
4) Remove and replace Acquisition Processor PWA,
PN: 205E2502‐( ).
1) Remove and replace Acquisition Processor PWA,
PN: 205E2502‐( ).
2) Run autotest & recheck recorder status.
3) If fault codes still present in status report, then
return the recorder to factory for repair.
1) Remove and replace Acquisition Processor PWA,
PN: 205E2502‐( ).
2) Run autotest & recheck recorder status.
3) If fault codes still present in status report, then
return the recorder to factory for repair.
23–70–04
Testing & Fault Isolation
Rev. 15 Page 174
Apr. 14/16