COMPONENT MAINTENANCE MANUAL
AVIATION PRODUCTS
Model FA5000
Rev. 02 Page 141
July 21/17
Testing & Fault Isolation
23–70−30
Use or disclosure of information on this sheet is subject to
the restrictions on the cover page of this document.
Table 104 Main Processor Troubleshooting Chart (Continued)
Item
ID
Function Type Failure
Mode
Local Effect Next Effect End Effect
Non−Volatile Memory:
Configuration and Error
Log
Electrical In-
terference
Software glitch
flips data bits,
causing data
corruption such
as lost, missing
or scrambled
data
The MP PWA
does not oper-
ate properly
and may have
corrupted data
The CVDR does not operate
properly and may have corrup-
ted data
A005 −
Flash
Memor
y
Non−Volatile Memory Loss of
Power
The Flash
Memory fails:
Unable to store
data and the
SDRAM is un-
able to copy
data
The MP PWA
fails to operate
The CVDR PWA fails to oper-
ate
Non−Volatile Memory Over/Under
Voltage
The Flash
Memory fails:
Unable to store
data and the
SDRAM is un-
able to copy
data
The MP PWA
fails to operate
The CVDR PWA fails to oper-
ate
Non−Volatile Memory Electrical In-
terference
Software glitch
flips data bits,
causing data
corruption such
as lost, missing
or scrambled
data
The MP PWA
does not oper-
ate properly
and may have
corrupted data
The CVDR does not operate
properly and may have corrup-
ted data
A006 −
SDRA
M
Non−Volatile Memory Loss of
Power
The SRAM is
unable to ex-
ecute the sys-
tem’s program
The MP PWA
fails to operate
The CVDR PWA fails to oper-
ate
Non−Volatile Memory Over/Under
Voltage
The SRAM is
unable to ex-
ecute the sys-
tem’s program
The MP PWA
fails to operate
The CVDR PWA fails to oper-
ate
Non−Volatile Memory Electrical In-
terference
Software glitch
flips data bits,
causing data
corruption such
as lost, missing
or scrambled
data
The MP PWA
does not oper-
ate properly
and may have
corrupted data
The CVDR does not operate
properly and may have corrup-
ted data
The document reference is online, please check the correspondence between the online documentation and the printed version.
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