Lenovo 7D31, Maintenance Manual

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Antes de instalar este producto, lea la información de seguridad.
Läs säkerhetsinformationen innan du installerar den här produkten.
Safety inspection checklist
Use the information in this section to identify potentially unsafe conditions with your server. As each machine
was designed and built, required safety items were installed to protect users and service technicians from
injury.
Note:
The product is not suitable for use at visual display workplaces according to §2 of the Workplace
Regulations.
CAUTION:
This equipment must be installed or serviced by trained personnel, as defined by the NEC, IEC 62368-
1 & IEC 60950-1, the standard for Safety of Electronic Equipment within the Field of Audio/Video,
Information Technology and Communication Technology. Lenovo assumes you are qualified in the
servicing of equipment and trained in recognizing hazards energy levels in products. Access to the
equipment is by the use of a tool, lock and key, or other means of security, and is controlled by the
authority responsible for the location.
Important:
Electrical grounding of the server is required for operator safety and correct system function.
Proper grounding of the electrical outlet can be verified by a certified electrician.
Use the following checklist to verify that there are no potentially unsafe conditions:
1. Make sure that the power is off and the power cord is disconnected.
2. Check the power cord.
• Make sure that the third-wire ground connector is in good condition. Use a meter to measure third-
wire ground continuity for 0.1 ohm or less between the external ground pin and the frame ground.
• Make sure that the power cord is the correct type.
To view the power cords that are available for the server:
a. Go to:
http://dcsc.lenovo.com/#/
b. In the Customize a Model pane:
iv
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