B245/B276/B277/B268/B269 Service Manual 18-Jan-06
127
No.
Definition
Symptom Possible Cause
did not issue a video
transmission end
command within the
specified time.
Watchdog error
818 B
The CPU does not access
the watchdog register
within a certain time.
Controller board defective
Software malfunction – download
controller firmware again
Kernel mismatch error
819 B
Software bug Download controller firmware again
Self-Diagnostic Error: CPU
820 B
The central processing
unit returned an error
during the self-diagnostic
test.
Controller board defective
Download controller firmware again
Self-Diagnostic Error: ASIC
821 B
The ASIC returned an
error during the
self-diagnostic test
because the ASIC and
CPU timer interrupts were
compared and determined
to be out of range.
Controller board defective
Self-diagnostic Error: Network Interface
823 C
The network interface
board returned an error
during the self-diagnostic
test.
Network interface board defective
Controller board defective
Self-diagnostic Error: NVRAM
824 B
The resident non-volatile
RAM returned an error
during the self-diagnostic
test.
Replace the NVRAM on the controller
board
Replace the controller board
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