Chapter 6: Power supply maintenance 32
Chapter 6: Power supply maintenance
This section contains the following topics:
• Power supply maintenance guidelines
• Remove a power supply
• Install a power supply
Each server has two hot plug power supplies. If a power supply fails, replace it as soon as possible.
Power supply maintenance guidelines
Follow these guidelines for maintaining power supplies:
• You can replace a power supply without disrupting operations if an alternate, functioning power supply is
installed and connected to power.
• For proper cooling, do not leave a power supply slot open. Do not remove a power supply until you are ready
to replace it.
• A server can operate with only one functioning power supply. However, replace a failed or failing power supply
as soon as possible.
• Replace a power supply only with a power supply of the same type and wattage. Contact Customer Support
(http://www.hpe.com/support/hpesc) for replacement power supplies.
Remove a power supply
Before you begin
You have completed these tasks:
• Obtained a replacement power supply of the same type and wattage.
• Read the guidelines for maintaining power supplies.
• Read the guidelines for protecting components from electrostatic discharge.
Procedure overview
You replace a failed, or failing, power supply as soon as possible.
WARNING:
Do not leave a power supply slot empty. Do not remove a failed power supply unless you have a
replacement power supply that is ready to install.
Procedure
1. Identify the failed power supply.
2. Power down the server.
3. Disconnect the power cable from the power source and the power supply.
4. Push the red locking handle to the left and then gently pull the power supply handle to remove the power
supply from the slot.
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