Ricoh Neptune-P1 Service Manual page 203

4. Troubleshooting
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 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
4
diagnostic command was issued to the HDD
device but the result was an error).
Self-diagnostic Error: NIB
823 B
The network interface board returned an error
during the self-diagnostic test.
Self-diagnostic error 4: NVRAM
Error occurred because:
824 D
Self-diagnostic Error 5: RTC/Optional NVRAM
826 D
The NVRAM or optional NVRAM returned an
error during the self-diagnostic test.
Self-diagnostic error 6: Resident RAM
827 D
The resident RAM returned a verify error during
the self-diagnostic test.
Self-diagnostic error 8: ROM
828 D
202
• NVRAM device does not exist
• NVRAM device is damaged
• NVRAM socket damaged
• HDD defective
• HDD harness disconnected,
defective
• Controller board defective
• Network interface board defective
• Controller board defective
• NVRAM defective
• Make sure NVRAM is seated
correctly in its socket
• Replace the NVRAM on the
controller board
• Controller board defective
• Replace RAM DIMM