Ricoh B064 Service Manual page 382

B140 SERIES AND G126 SERVICE MODE
822 B Self-diagnostic error 3: HDD
3003
3004
3013
3014
824 D Self-diagnostic error 4: NVRAM
NVRAM device does not exist,
NVRAM device is damaged, NVRAM
socket damaged
826 D Self-diagnostic error 6: NVRAM (option NVRAM)
1501
15FE
828 D 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.
B064 Series/B140 Series/G126
Check performed when HDD
is installed:
• HDD device busy for over
31 s.
• After a diagnostic
command is set for Sthe
HDD, but the device
remains busy for over 6 s.
A diagnostic command is
issued to the HDD device but
the result is an erro
No response to the self-
diagnostic command from the
ASIC to the HDDs
Mandolin does not respond,
the HDD device remains
BUSY for more than 31 s, or
the BUSY signal does not
drop within 6 s after the
diagnostic command is
issued to the HDDs.
Error returned from HDD in
response to the self-
diagnostic command,
Mandolin could not be located
due to a read/write error at
the HDD register.
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.
• HDD defective
• HDD harness disconnected, defective
• Controller board defective
• HDD defective
• HDD defective
• HDD connector loose or defective
• Controller defective
• HDD defective
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
• NVRAM defective
• NVRAM installed incorrectly
• Replace RTC database
• Replace RTC backup battery
• Software defective
• Controller board defective
• ROM defective
4-58 SM