Fault Code Descriptions
152379 Rev C
4–7
0040
Programming
Software
S
This code indicates that the PV100S
has detected that the system is in
Programming mode. This fault does
not indicate any malfunction with the
PV100S, but is merely an indication
that the system software is in the
process of being downloaded into the
EEPROMs of the CCU2.
0041
State Invalid
S
The state machine implemented
within the CCU2 system software
governs the operation of the PV100S.
This fault indicates that the PV100S
has detected an unknown system
variable and has encountered an
invalid state.
• Internal RAM error
• CPU error
0042
Serial EEPROM
Write Error
S
This fault indicates that the PV100S
has detected a serial EEPROM write
error. The CCU2 controller board
performs a verification check of data
written to ROM compared to what is
read back.
• Internal ROM error
• CPU error
0043
Serial EEPROM
Timeout
S
This fault indicates that the PV100S
has detected that when writing data to
the serial EEPROM, a confirmation
timer of 300mS has expired.
• Internal ROM error
• CPU error
0044
Bad NOVRAM
Memory
S
This fault indicates that the PV100S
has detected that one of the two non-
volatile memory banks on the CCU2
controller board has failed. The
CCU2 performs a series of tests to
confirm the validity of the
NOVRAM, and one of the two banks
has produced errors.
• Internal NOVRAM
error
• CPU error
0045
Interrupt 2 Timeout
S
This fault indicates that the PV100S
has detected that an interrupt 2
timeout has occurred. The CCU2
controller board performs a
conversion validation of analog-to-
digital data within the A to D
converters. If validation of the
conversion is not performed within
500mS, an interrupt 2 timeout fault
will occur.
• Internal A to D
converter error
• CPU error
Table 4-1
Fault Codes
Error
Code Fault
Source(s)
Fault Type
H=Hardware
S=Software
Fault Description
Possible Causes
Содержание PV100S-208
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Страница 113: ...Appendix A Schematics 152379 Rev C A 9 Figure A 5 PV100S 208 Schematic Main Power Distribution 152376 C1...
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