viii Compaq ProLiant ML570 Server Maintenance and Service Guide
Compaq Technician Notes
WARNING: To reduce the risk of personal injury from electric shock and hazardous energy
levels, do not exceed the level of repair specified in these procedures. Because of the
complexity of the individual boards and subassemblies, do not attempt to make repairs at the
component level or to make modifications to any printed wiring board. Improper repairs could
create conditions that are hazardous.
WARNING: To reduce the risk of electric shock or damage to the equipment:
■ If the system has multiple power supplies, disconnect power from the system by
unplugging all power cords from the power supplies.
■ 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.
CAUTION: To properly ventilate the system, you must provide at least 30.5 cm (12 inches) of
clearance at the front and back of the computer.
CAUTION: This unit is designed to be electrically grounded. To ensure proper operation, plug
the AC power cord into a properly grounded (earthed) AC outlet only.
IMPORTANT: Any indications of component replacement or printed wiring board modifications may void
any warranty.
Rack Stability
WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that:
■ The leveling jacks are extended to the floor.
■ The full weight of the rack rests on the leveling jacks.
■ The stabilizing feet are attached to the rack if it is a single-rack installation.
■ The racks are coupled together in multiple rack installations.
■ Only one component is extended at a time. A rack may become unstable if more than one
component is extended for any reason.
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