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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 on which you are working. 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. Primary voltage on the frame can
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 server for any obvious unsafe conditions, such as metal filings,
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 you service electrical equipment:
v Check the area for electrical hazards such as moist floors, nongrounded power
v Use only approved tools and test equipment. Some hand tools have handles that
v Regularly inspect and maintain your electrical hand tools for safe operational
vi
IBM BladeCenter PN41 Type 3020 Deep Packet Inspection Blade: Problem Determination and Service Guide
cause serious or fatal electrical shock.
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.
v Make sure that the insulation is not frayed or worn.
of any non-IBM alterations.
contamination, water or other liquid, or signs of fire or smoke damage.
been removed or tampered with.
extension cords, and missing safety grounds.
are covered with a soft material that does not provide insulation from live
electrical current.
condition. Do not use worn or broken tools or testers.
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