McDATA 1U Server Service Manual Page 151

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Maintenance Analysis Procedures
3-31
Maintenence Analysis Procedures
2
Fan status polling is temporarily disabled and status values for one or
more fans exceed a set threshold. This indicates possible fan
degradation or failure.
Is this event code a recurring problem?
YES NO
Monitor fan operation or recording of additional failure event
codes. Exit MAP.
3
Visual inspection (amber LED illuminated) or event codes indicate
one or more cooling fans failed.
Replace the fan (
RRP: Fan Module
on page 5-30).
The procedure is concurrent and performed while the product is
operational.
Perform a data collection as part of FRU replacement (
Collecting
Maintenance Data
on page 4-32).
NOTE: Do not remove a fan module unless a replacement FRU is available.
To avoid product overheating, a fan module must be replaced within five
minutes.
Was the maintenance action successful?
806 Critically hot temperature warning (SBAR assembly
thermal sensor).
Go to step 8.
807 SBAR assembly shutdown due to thermal violation. Go to step 8.
810 High temperature warning (CTP card thermal sensor). Go to step 5.
811 Critically hot temperature warning (CTP card thermal
sensor).
Go to step 5.
812 CTP card shutdown due to thermal violation. Go to step 6.
850 System shutdown due to CTP card thermal violations. Go to step 6.
Table 3-8 MAP 400: Event Codes (Continued)
Event
Code
Explanation Action
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