Lenovo BladeCenter HS23 1929, Руководство по диагностике и обслуживанию

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Safety statements
These statements provide the caution and danger information that is used in this documentation.
Important: Each caution and danger statement in this documentation is labeled with a number. This number
is used to cross reference an English-language caution or danger statement with translated versions of the
caution or danger statement in the
Safety Information document.
For example, if a caution statement is labeled “Statement 1,” translations for that caution statement are in the
Safety Information document under “Statement 1.”
Be sure to read all caution and danger statements in this documentation before you perform the procedures.
Read any additional safety information that comes with your system or optional device before you install the
device.
Statement 1
DANGER
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
• Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
• Connect all power cords to a properly wired and grounded electrical outlet.
• Connect to properly wired outlets any equipment that will be attached to this product.
• When possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or structural damage.
• Disconnect the attached power cords, telecommunications systems, networks, and modems
before you open the device covers, unless instructed otherwise in the installation and
configuration procedures.
• Connect and disconnect cables as described in the following table when installing, moving, or
opening covers on this product or attached devices.
To Connect: To Disconnect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
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BladeCenter HS23 Blade ServerProblem Determination and Service Guide