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 the Dell Storage Manager Client.
1.
Click the
Hardware
tab.
2.
In the
Hardware
tab navigation pane, select the
Controllers
node.
3.
Click the
Power Supplies
tab.
4.
Find the power supply with a status of
Down
.
5.
Record the location of the failed power supply.
Identify the Failed Cooling Fan
To determine which cooling fan failed, use the Dell Storage Manager Client.
1.
Click the
Hardware
tab.
2.
In the
Hardware
tab navigation pane, select the
Controllers
node.
3.
Click the
Fans
tab.
4.
Find the fan with a status of
Down
.
5.
Record the location of the failed fan.
Replace a Power Supply/Cooling Fan Module
Use this procedure to replace failed power supply/cooling fan modules.
About this task
You can replace power supply/cooling fan modules one at a time without shutting down the storage
system.
Steps
1.
Before replacing a power supply/cooling fan module, use SupportAssist to send diagnostic data to
Dell Technical Support.
2.
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.
3.
Remove the hook-and-loop strap that secures the power cable and disconnect the power cable
from the power supply/cooling fan module.
Replacing SC7020 Storage System Components
17