6 - Power Supply Maintenance
A CN-Series system has two hot-swappable power supplies. If a power supply fails, replace it as soon as
possible.
When the OmniCube is deployed in a Federation, you receive notifications of power supply problems as
events and errors displayed in VMware vSphere.
Guidelines for Maintaining Power Supplies
Follow these guidelines for maintaining power supplies:
• You can replace a CN-Series system 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 CN-Series system 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. See your support
provider for replacement power supplies.
Related Topics
Protecting Sensitive Hardware from ESD on page 16
Power Supply Monitoring on page 42
Installing a Power Supply on page 54
Removing a Power Supply on page 53
Removing a Power Supply
Replace a failed, or failing, power supply as soon as possible.
Note: 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.
Before You Begin
• You have obtained a replacement power supply of the same type and wattage.
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