B245/B276/B277/B268/B269 Service Manual 18-Jan-06
128
No.
Definition
Symptom Possible Cause
Self-diagnostic Error: NVRAM/Optional NVRAM
826 B
The NVRAM or optional
NVRAM returned an error
during the self-diagnostic
test.
Replace the NVRAM on the controller
board
Self-diagnostic Error: RAM
827 B
The resident RAM
returned a verify error
during the self-diagnostic
test.
Download controller firmware again
Self-diagnostic Error: ROM
828 B
The resident read-only
memory returned an error
during the self-diagnostic
test.
Controller board defective
Download controller firmware again
Self-diagnostic Error: Optional RAM
829 C
The optional RAM
returned an error during
the self-diagnostic test.
Replace the optional memory board
Controller board defective
Self-diagnostic Error: Clock Generator
838 B
A verify error occurred
when setting data was
read from the clock
generator via the I2C bus.
Replace the controller board
Network I/F Abnormal
850 C
NIB interface error.
NIB defective
Controller board defective
USB I/F Error
857 C
USB interface error
detected.
Defective controller
Electrical total counter error
900 B
The electrical total counter
does not work properly.
NVRAM on the GDI controller board
defective
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