No.
Definition
Symptom Possible Cause
823 C
Self-diagnostic Error: Network Interface
The network interface board
returned an error during the self-
diagnostic test.
• Network interface board defective
• Controller board defective
824 B
Self-diagnostic Error: NVRAM
The resident non-volatile RAM
returned an error during the self-
diagnostic test.
• Replace the NVRAM on the controller
board
• Replace the controller board
826 B
Self-diagnostic Error: NVRAM/Optional NVRAM
The NVRAM or optional NVRAM
returned an error during the self-
diagnostic test.
• Replace the NVRAM on the controller
board
827 B
Self-diagnostic Error: RAM
The resident RAM returned a verify
error
during
the
self-diagnostic test.
• Download controller firmware again
828 B
Self-diagnostic Error: ROM
The resident read-only memory
returned an error during the self-
diagnostic test.
• Controller board defective
• Download controller firmware again
829 C
Self-diagnostic Error: Optional RAM
The optional RAM returned an
error during the
self-diagnostic test.
• Replace the optional memory board
• Controller board defective
838 B
Self-diagnostic Error: Clock Generator
A verify error occurred when
setting data was read from the
clock generator via the I2C bus.
• Replace the controller board
850 C
Network I/F Abnormal
NIB interface error.
• NIB defective
• Controller board defective
6. Troubleshooting
188