System Warnings And Cautions; Preparing To Remove Or Replace Components - HP Edgeline EL4000 Maintenance And Service Manual

14 kg
30.86 lb

System warnings and cautions

Before installing a system, be sure that you understand the following warnings and cautions.
WARNING:
To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
• Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all
times.
• Unplug the power cord from the power supply to disconnect power to the equipment.
• Do not route the power cord where it can be walked on or pinched by items placed against it.
Pay particular attention to the plug, electrical outlet, and the point where the cord extends from
the system.
WARNING:
To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system
components to cool before touching them.
CAUTION:
Do not operate the system for long periods with the access panel open or removed. Operating the
system in this manner results in improper airflow and improper cooling that can lead to thermal
damage.

Preparing to remove or replace components

About this task
For performing certain service procedures and accessing some components, you must perform one or
more of the following procedures.
Procedure
1. Powering down the system
22 System warnings and cautions
This symbol indicates the presence of a hot surface or hot component. If this surface is
contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow the surface to cool
before touching.
This symbol indicates that the component exceeds the recommended weight for one
individual to handle safely.
WARNING: To reduce the risk of personal injury or damage to the equipment,
observe local occupational health and safety requirements and guidelines for manual
material handling.
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
disconnect power from the system completely.