IBM QS22 - BladeCenter - 0793 Service Manual page 10

Antes de instalar este producto, lea la información de seguridad.
Läs säkerhetsinformationen innan du installerar den här produkten.
Guidelines for trained service technicians:
This section contains information for trained service technicians.
Inspecting for unsafe conditions:
Use the information in this section to help you identify potential unsafe conditions in
an IBM product that you are working on. Each IBM product, as it was designed and
manufactured, has required safety items to protect users and service technicians
from injury. The information in this section addresses only those items. Use good
judgment to identify potential unsafe conditions that might be caused by non-IBM
alterations or attachment of non-IBM features or options that are not addressed in
this section. If you identify an unsafe condition, you must determine how serious the
hazard is and whether you must correct the problem before you work on the
product.
Consider the following conditions and the safety hazards that they present:
v Electrical hazards, especially primary power.
v Primary voltage on the frame can cause serious or fatal electrical shock.
v Explosive hazards, such as a damaged CRT face or a bulging capacitor.
v Mechanical hazards, such as loose or missing hardware.
To inspect the product for potential unsafe conditions, complete the following steps:
1. Make sure that the power is off and the power cord is disconnected.
2. Make sure that the exterior cover is not damaged, loose, or broken, and
3. Check the power cord:
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use good judgment as to the safety
6. Check inside the blade server for any obvious unsafe conditions, such as metal
7. Check for worn, frayed, or pinched cables.
8. Make sure that the power-supply cover fasteners (screws or rivets) have not
Guidelines for servicing electrical equipment:
Observe the following guidelines when servicing electrical equipment:
v Check the area for electrical hazards such as moist floors, nongrounded power
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BladeCenter QS22 Type 0793: Problem Determination and Service Guide
observe any sharp edges.
v 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.
v Make sure that the power cord is the correct type, as specified in the
documentation for your BladeCenter unit type.
v Make sure that the insulation is not frayed or worn.
of any non-IBM alterations.
filings, contamination, water or other liquid, or signs of fire or smoke damage.
been removed or tampered with.
extension cords, and missing safety grounds.