Ricoh B286, Service Manual

Page: 234 / 622

SC Code Descriptions
B286/B289 4-16 SM
4.2.8 SC8XXX
819 C Fatal kernel error
Due to a control error, a RAM
overflow occurred during system
processing.
! Controller board defective
! Insufficient memory
! Expanded memory defective
Note : For more details about this SC code error, execute SP5990 to print an SMC report so
that you can read the error code. The error code is not displayed on the operation panel.
Self-Diagnostic Error: CPU
820 D The CPU returned an
unexpected error during the
self-diagnostic test.
! Controller board defective
! Insufficient memory
!
Expanded memory defective
Self-diagnostic error 2: ASIC
821 D
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.
! Controller board defective
Note : For more details about this SC code error, execute SP5990 to print an SMC report so
that you can read the error code. The error code is not displayed on the operation panel.
822 B Self-diagnostic error 3: HDD
An error occurred when the self-check
was performed when the machine
was switched on after the HDD was
replaced. (The diagnostic command
was issued to the HDD device but the
result was an error).
! HDD defective
! HDD harness disconnected,
defective
! Controller board defective