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2
Use Dell Storage Manager to edit the Storage Center settings and set the operation mode of the Storage Center to Production mode.
3
Use Dell Storage Manager to send SupportAssist information to technical support.
Power Supply and Cooling Fan Modules
The SC5020 series storage system supports two hot-swappable power supply/cooling fan modules.
The cooling fans that cool the storage system and the power supplies are integrated into the power supply/cooling fan module and cannot
be replaced separately. If one power supply/cooling fan module fails, the second module continues to provide power to the storage system.
NOTE:
When a power supply/cooling fan module fails, the cooling fan speed in the remaining module increases significantly to
provide adequate cooling. The cooling fan speed decreases gradually when a new power supply/cooling fan module is installed.
CAUTION:
A single power supply/cooling fan module can be removed from a powered-on storage system for no more than 90
seconds. If a power supply/cooling fan module is removed for longer than 90 seconds, the storage system might shut down
automatically to prevent damage.
Identify the Failed Power Supply
To determine which power supply failed, use Dell Storage Manager.
1
Click the Hardware tab.
2
In the Hardware tab navigation pane, click Power Supply.
3
Find the power supply with a status of Down.
4
Record the location of the failed power supply.
Identify the Failed Cooling Fan
To determine which cooling fan failed, use Dell Storage Manager.
1
Click the Hardware tab.
2
Click the Fan Sensor node.
3
Find the fan with a status of Down.
4
Record the location of the power supply in which the fan has failed.
Replace a Power Supply and Cooling Fan Module
Use this procedure to replace failed a power supply/cooling fan module.
Prerequisites
1
Use Dell Storage Manager to send SupportAssist information to technical support.
2
Use Dell Storage Manager to edit the Storage Center settings and set the operation mode of the Storage Center to Maintenance
mode.
About this task
You can replace power supply/cooling fan modules one at a time without shutting down the storage system.
Steps
1
Press the power switch on the power supply/cooling fan module to turn it off.
To prevent the module from overheating, replace it within 3 minutes.
2
Remove the hook-and-loop strap that secures the power cable to the LED handle and disconnect the power cable from the power
supply/cooling fan module.
16
Replacing Storage System Components
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