MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION
POSSIBLE SOLUTION
AC Power Failure: An indication Check plug at wall receptacle. If
that ac power has been lost (for this error occurs more often than
example, plug removed from a the building power outages, check
wall receptacle, building power connection to wall.
down for more than a quarter of a
second, etc.). If power is lost from
the first cabinet, the ETU will be
triggered.
Alarm Log Overflow: The error Correct indicated errors, and then
logs are full and no more errors remove entries from the Transient
can be written to them. This error Error Log to free-up space.
is kept, however, to alert you of
the fact.
ArchAngel Insane Restart: Make sure ZTN85 or ZTN131 (R3)
Clocks may be missing from the circuit pack (CP) is installed.
TDM bus. Check the inter-cabinet cables,
bus terminator and back plane for
bent pins. Reseat a port CP that
is in the same cabinet as ZTN85
or ZTN131 (R3). If it does not
power up,
replace
ZTN85 or
ZTN131 (R3). If it does but
problempersists, replace
CPU/Memory CP.
Arch Angel Interrupt Restart:
Possible software problem. If this
System restarted due to error occurs frequently, check the
CPU/Memory problem. CPU/Memory CP.
Bad Oat Device:
(STARLAN
Recoverable; no action required.
Interface CP) This error is an
isolated transient condition.
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