Ricoh B079 - Page 211

Trouble-
shooting
SERVICE CALL CONDITIONS
SM 4-13 B079/B082
Code No. Symptom Possible Cause
Startup without video input end (K) 804 B
A video transmission was requested
from the scanner, but a video
transmission end command was not
issued by the scanner within the
specified time.
Control board defective
818 Watch Dog Error
B
While the system program is running, a
bus hold or interrupt program goes into
an eternal loop, preventing any other
programs from executing.
System program defective
Controller board defective
Peripheral device malfunction
Kernel mismatch error 819 B
Software bug
Software application error
Self-Diagnostic Error: CPU 820 B
The central processing unit returned an
error during the self-diagnostic test.
Controller board defective
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 were
compared and determined to be out of
range.
Controller board defective
Self-Diagnostic Error: HDD 822 B
The hard disk drive returned an error
during the self-diagnostic test.
HDD defective
HDD connector defective
Controller board defective
Self-diagnostic Error: NIB 823 B
The network interface board returned
an error during the self-diagnostic test.
Network interface board defective
Controller board defective
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: NVRAM/Optional
NVRAM
826 B
The NVRAM or optional NVRAM
returned an error during the self-
diagnostic test.
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.
Controller board defective
Firmware defective
Self-diagnostic Error: Optional RAM 829 B
The optional RAM returned an error
during the self-diagnostic test.
RAM DIMM defective
Controller board defective
Self-Diagnostic Error: Parallel Interface 835 B
Loopback test error.
Loopback connector not detected
IEEE1284 connector defective
Controller board defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA