Ricoh B264 Service Manual page 248

SERVICE CALL CONDITIONS
818 C Watchdog error
The bus is being held by another
device, or a CPU-device infinite
loop has occurred. A module that
the watchdog is monitoring has not
closed properly at the conclusion of
its task, or the module cannot
continue processing.
819 C Fatal kernel error
Due to a control error, a RAM
overflow occurred during system
processing. One of the following
messages was displayed on the
operation panel.
0x696e
0x766d
4361
Other
For more details about this SC code 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.
820 D Self-Diagnostic Error: CPU
The central processing unit returned an error
during the self-diagnostic test.
821 D Self-diagnostic error 2: ASIC
The ASIC provides the central point for
the control of bus arbitration for CPU
access, for option bus and SDRAM
access, for SDRAM refresh, and for
management of the internal bus gate.
NOTE:
For more details about this SC code 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.
822 B Self-diagnostic error 3: HDD
3003
3004
B264/B265
init died
vm_pageout: VM is full
Cache Error
Check performed when HDD is installed:
• HDD device busy for over 31 s.
• After a diagnostic command is set for
the HDD, but the device remains busy
for over 6 s.
A diagnostic command is issued to the
HDD device but the result is an error
No response to the self-diagnostic
command from the ASIC to the HDDs
• System program defective; switch off/on,
or change the controller firmware if the
problem cannot be solved
• Controller board defective
• Controller option malfunction
• System program defective
• Controller board defective
• Optional board defective
• Replace controller firmware
• ASIC (controller board defective)
4-20
• Controller board defective
• Software defective
• HDD defective
• HDD harness
disconnected, defective
• Controller board defective
• HDD defective
SM