Ricoh B132 Service Manual page 466

SERVICE CALL CONDITIONS
SC824 C Self-diagnostic error 4: NVRAM
NVRAM device does not exist,
NVRAM device is damaged, NVRAM
socket damaged
SC826 C Self-diagnostic error 6: NVRAM (option NVRAM)
1501
15FE
SC828 C Self-diagnostic error 7: ROM
• Measuring the CRC for the boot
monitor and operating system
program results in an error.
• A check of the CRC value for
ROMFS of the entire ROM area
results in an error.
NOTE:
For more details about this SC 833, SC834 error, execute SP5990 to print an
SMC report so you can read the error code. The error code is not displayed on
the operation panel. The additional error codes (0F30, 0F31, etc. are listed in the
SMC report.
SC833 D Self-diagnostic error 8: Engine I/F ASIC
0F30 ASIC (Mandolin) for system control
could not be detected. After the PCI
0F31
configuration, the device ID for the
ASIC could not be checked.
0F41 The read/write check done for
resident RAM on the mother board
could not be done correctly.
50B1 Could not initialize or read the bus
connection.
50B2 Value of the SSCG register is
incorrect.
SC834 D Self-diagnostic error 9: Optional Memory RAM DIMM
5101 The write/verify check for the
optional RAM chip on the engine
mother board gave an error.
B132/B200
The difference between the 1
s measured for RTC in the
NVRAM and the 1 s timeout
of the CPU is out of range, or
the NVRAM is not detected.
Backup battery error. Battery
is exhausted or not within
rated specification.
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
• NVRAM defective
• NVRAM installed incorrectly
• Replace RTC backup battery
• Replace RTC backup battery
• Software defective
• Controller board defective
• ROM defective
• Replace the mother board
• Replace the mother board
• Check for loose connections at the
mother board.
• Replace the mother board
• Check for loose connections at the
mother board.
• Replace the mother board
• Controller defective
• Mother board defective
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