COMPONENT MAINTENANCE MANUAL
AVIATION PRODUCTS
Model FA5000
Rev. 02 Page 141
July 21/17
Testing & Fault Isolation
23–70
−
30
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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
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