Safety Inspection Checklist; System Reliability Guidelines - Lenovo ThinkSystem ST50 V2 Setup Manual

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: This device is not intended for use in the direct field of view at visual display workplaces. To avoid
incommoding reflections at visual display workplaces, this device must not be placed in the direct field of
view.
Attention: This is a Class A product. In a domestic environment, this product may cause radio interference
in which case the user may be required to take adequate measures.
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.
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. Click Preconfigured Model or Configure to order.
c. Enter the machine type and model for your server to display the configurator page.
d. Click Power ➙ Power Cables to see all line cords.
• Make sure that the insulation is not frayed or worn.
3. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo
alterations.
4. Check inside the server for any obvious unsafe conditions, such as metal filings, contamination, water or
other liquid, or signs of fire or smoke damage.
5. Check for worn, frayed, or pinched cables.
6. Make sure that the power-supply cover fasteners (screws or rivets) have not been removed or tampered
with.

System reliability guidelines

The system reliability guidelines to ensure proper system cooling.
Make sure the following requirements are met:
• When the server comes with redundant power, a power supply must be installed in each power-supply
bay.
.
Chapter 3 Server hardware setup
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