Alcatel-Lucent 1675 LambdaUnite Installation And System Turn-Up Manual page 549

Installation troubleshooting
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Procedure 2
Proceed as follows if not all fans are running or if the air flow direction is not from
bottom to top:
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Switch all circuit breakers on the subrack backplane (see chapter 5,
1
switching" (p.
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2 Replace the affected fan unit.
E
N D O F
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365-374-198R10.5.4
Issue 1 July 2009
5-5)) to the OFF position (="O").
S T E P S
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
Procedure A-2: Fan unit test failure
Figure 5-1, "PI/100
A-5