Statement 20
CAUTION:
A lithium ion battery is provided. To avoid possible explosion, do not burn the battery. Replace the
battery only with the Lenovo-approved part. Recycle or discard the battery as instructed by local
regulations.
Products that are not assessed
Typical products that are
not assessed
include but not limited to the following:
• Server and IT-rack components (for example, uninterruptible power supplies and current distribution
systems)
• Devices in IT rooms (for example, bulk storage units and network products)
• Industrial low-voltage switchgear
Safety inspection guide
The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
machine was designed and built, required safety items were installed to protect users and service technicians
from injury. This guide addresses only those items. You should use good judgment to identify potential safety
hazards due to attachment of non-ThinkServer features or options not covered by this inspection guide.
If any unsafe conditions are present, you must determine how serious the apparent hazard could be and
whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present:
• Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal
electrical shock)
• Explosive hazards, such as a damaged Cathode Ray Tube (CRT) monitor or a bulging capacitor
• Mechanical hazards, such as loose or missing hardware
To determine whether there are any potentially unsafe conditions, use the following checklist at the beginning
of every service task. Begin the checks with the power off, and the power cords disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or sharp edges).
2. Power off the server. Disconnect the power cords.
3. Check the power cord for:
a. A third-wire ground connector 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.
b. The power cord should be the authorized type specified for your server. Go to:
http://www.lenovo.com/serviceparts-lookup
c. Insulation must not be frayed or worn.
4. Check for cracked or bulging batteries.
5. Remove the cover.
6. Check for any obvious non-ThinkServer alterations. Use good judgment as to the safety of any
non-ThinkServer alterations.
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ThinkServer TS460 User Guide and Hardware Maintenance Manual
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