Ricoh TH-C1b, Руководство по обслуживанию

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10 February 2005 SERVICE CALL
4-15
Trouble-
shooting
No.
Definition
Symptom Possible Cause
Kernel abnormal end error 819 B
A HDD error or a software error has
occurred, terminating the SCS
process, gwinit process, and finally
the kernel program.
A system process has exhausted the
RAM.
•
HDD error
•
Software application error
•
RAM shortage
Self-Diagnostic Error: CPU 820 B
An unexpected exception or
interruption has occurred.
•
Defective controller board
•
Software defective
Self-Diagnostic Error: ASIC 821 B
The ASIC returned an error during the
self-diagnostic test, because the
ASIC and CPU timer interrupts are
compared and determined to be out
of range.
•
Defective controller board
Self-Diagnostic Error: HDD 822 B
The hard disk drive returned an error
during the self-diagnostic test. •
HDD defective
•
HDD connector defective
•
Defective controller board
Self-diagnostic Error: NIB 823 B
The network interface board returned
an error during the self-diagnostic
test.
•
Network interface board defective
•
Defective controller board
Self-diagnostic Error: NVRAM 824 B
The resident non-volatile RAM
returned an error during the self-
diagnostic test.
•
NVRAM damaged or abnormal
•
Backup battery has discharged
•
NVRAM socket damaged
Self-diagnostic Error: RTC/Optional NVRAM 826 B
The RTC (real time clock) or optional
NVRAM returned an error during the
self-diagnostic test. •
RTC defective
•
NVRAM defective
Self-diagnostic Error: RAM 827 B
The resident RAM returned a verify
error during the self-diagnostic test.
•
Memory malfunction
Self-diagnostic Error: ROM 828 B
The resident read-only memory
returned an error during the self-
diagnostic test. •
Defective controller board
•
Firmware defective
Self-diagnostic Error: Optional RAM 829 B
The optional RAM returned an error
during the self-diagnostic test. •
RAM DIMM defective
•
Defective controller board
Self-Diagnostic Error: Parallel Interface 835 B
A loopback test error occurred.
•
Loopback connector not detected
•
IEEE1284 connector defective
•
Defective controller board
Self-diagnostic Error: Resident Font ROM 836 B
The resident font ROM returned an
error during the self-diagnostic test. •
Font ROM defective