Tap-116: Clear 'Circuit Breaker/Power Failure "A Or B" Or "A And B - Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual

TAPs for the SLOT, SHELF, and FAN
Alarm Groups
TAP-116: Clear 'Circuit Breaker/Power Failure "A or B" or "A
and B"'
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Overview
Procedure
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6 - 4 0
This procedure is used to clear a power failure by resetting the circuit
breaker on the power line filter(s) associated with the unlit PWR
OUTPUT LED. This procedure is performed for a selected shelf by
clearing the voltage supply problem at the battery distribution and
fuse bay (BDFB) or by replacing a failed power filter on a shelf.
Important! Contact the maintenance support organization before
proceeding if a failure of both circuit breakers (A and B) or both
feeders (A and B) to a bay exists.
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Are any circuit breaker PWR OUTPUT LEDs not lit on the shelf
1
associated with the alarm condition?
IF...
YES
NO
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Reset the circuit breaker by operating the breaker to the ON position.
2
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Did the circuit breaker remain in the ON position and the PWR
3
OUTPUT LED for the circuit breaker remain on?
IF...
YES
NO
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Are all PWR OUTPUT LEDs extinguished for all shelves in the bay?
4
IF...
YES
Lucent Technologies - Proprietary
See notice on first page
THEN...
Continue with Step 2.
Continue with Step 4.
THEN...
STOP! YOU HAVE COMPLETED
THIS PROCEDURE.
Go to Step 2 of the section
Power Feeder Cable is NOT Supplying
Voltage to a Bay" (6-42).
THEN...
Go to Step 5.
Trouble Clearing Tasks
"One
365-575-783R1.1
Issue 1, June 2002