Precautionary Measures - Dell 6100 Service Manual

4-2 Dell PowerEdge 6100/200 System Service Manual
P
recautionary Measures
Before you perform any of the procedures in this chapter, take a few moments
to read the following warnings for your personal safety and to prevent damage
to the computer system from ESD.
WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION
OF THE EQUIPMENT: Only trained service technicians should per-
form the following procedures. Before you start to work on the
computer, perform the following steps in the sequence listed.
1. Turn off the computer and any attached peripherals.
2. Disconnect the computer and any attached peripherals from their
power sources to reduce the potential for personal injury.
3. Disconnect any communications cables.
4. Wear a wrist grounding strap, and clip it to an unpainted metal sur-
face, such as a part of the back panel, on the computer chassis.
If a wrist grounding strap is not available, touch the fan guard or
some other unpainted metal surface on the back of the computer to
discharge any static charge from your body.
WARNING: The power supplies in this computer system produce high
voltages and energy hazards, which can cause bodily harm. Only trained
service technicians are authorized to remove the computer covers and
access any of the components inside the computer.
WARNING: This system may have more than one power supply cable.
To reduce the risk of electrical shock, a trained service technician must
disconnect all power supply cables before servicing the system.