User's Manual

NDA-24300 CHAPTER 7
Page 499
Issue 1
ROUTINE MAINTENANCE PROCEDURE
2.2 Alarm Check
Check alarm indications on the TOPU.
If an alarm is indicated Check whether the alarm lamp on the power
supply of any module is lit.
Check whether an alarm lamp is lit on any
circuit card(s).
Alarm recovery Refer to Chapter 5, diagnose the alarm, and
perform the indicated recovery procedures.
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