824 D
Self-diagnostic error 4: NVRAM
One or more of the following conditions exist:
• NVRAM not present.
• NVRAM damaged
• NVRAM socket damaged
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
Note: In every case, the controller board
must be replaced.
826 D
Self-diagnostic error 6: NVRAM (option NVRAM)
1501
The difference between the 1 s
measured for RTC in the NVRAM
and the 1 s timeout of the CPU is
out of range, or the NVRAM is
not detected.
• NVRAM defective
• NVRAM installed incorrectly
15FE
Backup battery error. Battery is
exhausted or not within rated
specification.
• The battery is attached permanently to
the controller board. Replace the con-
troller board.
828 D
Self-diagnostic error 7: ROM
Measuring the CRC for the boot monitor
and operating system program results in
an error.
A check of the CRC value for ROMFS of
the entire ROM area results in an error.
• Software defective
• Controller board defective
• ROM defective
829 B
Self-diagnostic Error: Optional RAM
• Replace the optional memory board
• Controller board defective
The optional RAM returned an error during
the self-diagnostic test.
• For more details about SC 833, SC834 and other errors, execute SP5990 to print an SMC report
so you can read the error code. The error code is not displayed on the operation panel. The additional
error codes (0F30, 0F31, etc. are listed in the SMC report.
833 D Self-diagnostic error 8: Engine I/F ASIC
Service Mode
275
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