•After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective.
•Reinstall all covers correctly before returning the machine to the customer.
Electrical safety
CAUTION:
Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the server covers, unless instructed otherwise in the installation and configuration procedures.
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.
Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock.
•Find the room emergency
•Do not work alone under hazardous conditions or near equipment that has hazardous voltages.
•Disconnect all power before:
—Performing a mechanical inspection
—Working near power supplies
—Removing or installing main units
•Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to
•If you need to work on a machine that has exposed electrical circuits, observe the following precautions:
—Ensure that another person, familiar with the
Remember: Another person must be there to switch off the power, if necessary.
—Use only one hand when working with
Remember: There must be a complete circuit to cause electrical shock. By observing the above rule, you may prevent a current from passing through your body.
—When using testers, set the controls correctly and use the approved probe leads and accessories for that tester.
—Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as metal floor strips and machine frames.