LED test failure
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Overview
The procedure described below should be performed if some LEDs do
not light up during an LED test (see Chapter 7, section
Procedure
Follow the steps below in the case of an LED test failure:
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1
Check that the circuit packs are plugged in correctly and the power
supply is on.
IF ...
THEN ...
circuit pack LEDs do not
light up,
replace the respective circuit packs.
LEDs of the User Panel do
not light up,
make sure that the User Panel control
cable is installed correctly. If that is
the case and the LEDs don’t light up
replace the User Panel.
all LEDs light up,
END OF STEPS
Installation trouble shooting
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A - 8
Lucent Technologies
365-374-074
Issue a, April 2002
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