User Guide
3. Support
3.4 Rear Fan Replacement
Figure 51:
Strap-Style Cable Retention
Step 8 :
Ensure that the PSU's status LED is solid green, indicating the PSU is on and reporting no faults.
Step 9 :
to replace the second PSU.
Step 10 :
Make sure the CMA(s) is in operational position by folding the arm(s) in toward the enclosure and
attaching the elbow end(s) to the connector(s) attached to the rail. Verify that all of the cabling is
in functional order and does not bind or catch.
Result:
The PSUs are now replaced.
3.4
Rear Fan Replacement
Before you begin:
Caution:
All four enclosure fans must be replaced with the fans included in the CRU
replacement package. Failure to replace all 4 may result in false error messages.
Note:
Mark or label the old fans prior to removing them, to ensure that all 4 are replaced.
Warning:
For hot-plug replacement, the fans must be replaced one at a time and all four
completed in a timely manner (5 minutes max.), to prevent exceeding thermal thresholds. An
alternative is to replace the fans when the enclosure is offline.
Replacement Requirements
Personnel Required
1
Avg. Replacement Time
1 min
Max Replacement Time
5 min
Tool
# Needed
Required vs.
Recommended
None
N/A
N/A
68
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Страница 110: ...User Guide 3 Support 3 7 CMA Replacement Figure 91 CMA Cable Routing c Open all of the baskets Figure 92 Open Baskets 94...
