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MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION
POSSIBLE SOLUTION
Illegal Instruction: This error is
The Problem could be with the
logged when an illegal instruction
ROM on the CPU/Memory CP. If
is encountered by the CPU. the problem persists, check or
replace CP.
Illegal Interrupt: CPU/Memory CP
The CP may still pass the power-
problem. up test for the ROM. Check or
replace the CPU/Memory CF.
Illegal Port Command: (STARLAN
Recoverable; no action required.
Interface CP) This error is an
isolated transient condition.
Illegal Port Interrupt: (STAR LAN
Normally, this is a isolated
Interface CP) This error is an transient
condition
that
is
isolated transient condition.
recoverable; however, if problem
occurs
too
frequently, a
permanent alarm will be
generated.
If problem persists,
check or replace CP.
Internal RAM Failure: Port CP
Check port CF.
error while running background
non-destructive
internal
RAM
tests.
Internal
Sanity
Timeout: If the reset is not successful,
(STARLAN Interface CP) This
reseat board. If the reseat fails,
error resets the CP.
replace the CP.
Invalid Board Message: The port
If the problem persists, check or
CP sent an up-link message that
replace the port CP.
is not in the expected message
set.
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