Dell Equallogic PS4110XV PS4110 Hardware Owners Manual - Page 39

Removing a Power Supply and Cooling Module, Cautionary Note About Removing a Power Supply

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Hardware Owner's Manual 4 Maintaining Power Supply and Cooling Modules Removing a Power Supply and Cooling Module If a power supply and cooling module fails, you must replace the module as soon as possible, although an array can operate with only one working module. For proper array cooling, do not remove a failed module until you are ready to replace it. Cautionary Note About Removing a Power Supply You can remove a power supply and cooling module from an array without affecting array operation if the second module is installed and functioning. However, to maintain proper air flow in the array, a power supply and cooling module must be replaced within five (5) minutes of removing it. Otherwise, if possible, cleanly shut down the array before removing the module, as described in Shutting Down and Restarting an Array on page 5 How to Remove a Power Supply Wear electrostatic protection when handling a power supply and cooling module. See "Protecting Hardware " on page 2. To remove a power supply and cooling module, use the following steps and illustration: 1. Turn off the power switches on the power supply and cooling module. 2. Disengage the hook-and-loop fastener from around the power cable. 3. Remove the power cable. 4. With your right hand, hold the handle and push the orange release latch to the right with your thumb. 5. Pull the module from the slot, as shown in the following illustration. Caution: The module is heavy; support it with two hands. 35

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Hardware Owner's Manual
4 Maintaining Power Supply and Cooling Modules
Removing a Power Supply and Cooling Module
If a power supply and cooling module fails, you must replace the module as soon as possible, although an array
can operate with only one working module. For proper array cooling, do not remove a failed module until you are
ready to replace it.
Cautionary Note About Removing a Power Supply
You can remove a power supply and cooling module from an array without affecting array operation if the
second module is installed and functioning. However, to maintain proper air flow in the array,
a power supply
and cooling module must be replaced within five (5) minutes
of removing it. Otherwise, if possible, cleanly
shut down the array before removing the module, as described in
Shutting Down and Restarting an Array on page
5
How to Remove a Power Supply
Wear electrostatic protection when handling a power supply and cooling module.
See "Protecting Hardware " on
page 2
.
To remove a power supply and cooling module, use the following steps and illustration:
1.
Turn off the power switches on the power supply and cooling module.
2.
Disengage the hook-and-loop fastener from around the power cable.
3.
Remove the power cable.
4.
With your right hand, hold the handle and push the orange release latch to the right with your thumb.
5.
Pull the module from the slot, as shown in the following illustration.
Caution:
The module is heavy; support it with two hands.
35