HP C7000 User Manual

 

Removal and replacement procedures  29 

 

These symbols, on power supplies or systems, indicate that the equipment is supplied 
by multiple sources of power. 

WARNING:

  To reduce the risk of injury from electric shock, remove all power cords 

to completely disconnect power from the system. 

•

 

Each enclosure has two or more power supply cords. A single rack or cabinet 
may contain more than one enclosure. Power may be supplied in a redundant 

fashion. Removing any single source of power does not necessarily remove power 
from any portion of the system. When performing any service other than hot-plug 

module replacement, you must completely disconnect all power to that portion of 

the system.  

•

 

When performing service procedures on enclosures, shut off the circuit breakers to 

both A and B AC power feeds and then disconnect all power cords from the 

outlets before servicing.    

  

  

 

WARNING:

  To reduce the risk of personal injury from hot surfaces, allow the drives and the 

internal system components to cool before touching them. 

  

  

 

WARNING:

  To reduce the risk of electric shock or damage to the equipment, enter enclosures 

or perform service on system components only as instructed in the user documentation. 

  

  

 

WARNING:

  A risk of electric shock from high leakage current exists. Before connecting the AC 

supply to the power enclosures, be sure that the electrical outlets are properly grounded 

(earthed). 

  

  

 

CAUTION:

  Always be sure that equipment is properly grounded and that you follow proper 

grounding procedures before beginning any installation procedure. Improper grounding can 

result in ESD damage to electronic components. For more information, see "Preventing 

electrostatic discharge (on page 

  

  

 

CAUTION:

  When performing non-hot-plug operations, you must power down the server blade 

and/or the system. Use caution when performing other operations, such as hot-plug 
installations or troubleshooting. 

  

  

 

CAUTION:

  Protect the equipment from AC power fluctuations and temporary interruptions with 

a regulating facility UPS device. This device protects the hardware from damage caused by 

power surges and voltage spikes and keeps the system in operation during a power failure. 

  

 

Power down the server blade 

Before powering down the server blade for any upgrade or maintenance procedures, perform a backup 

of critical server data and programs. 
Depending on the Onboard Administrator configuration, use one of the following methods to power down 

the server blade: 

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Use a virtual power button selection through iLO 2. 
This method initiates a controlled remote shutdown of applications and the OS before the server 
blade enters standby mode.