IBM BladeCenter S Installation And User Manual

Also see for BladeCenter S: Problem determination and service guide Planning guide Installation and user guide Product guide

Contents

an unsafe condition, you must determine how serious the hazard is and whetheryou 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 cancause 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 followingsteps:1. Make sure that the power is off and the power cords are disconnected.2. Make sure that the exterior cover is not damaged, loose, or broken, and observeany sharp edges.3. Check the power cords:v Make sure that the third-wire ground connector is in good condition. Use ameter to measure third-wire ground continuity for 0.1 ohm or less betweenthe external ground pin and the frame ground.v Make sure that the power cords are the correct type.v Make sure that the insulation is not frayed or worn.4. Remove the cover.5. Check for any obvious non-IBM alterations. Use good judgment as to the safetyof any non-IBM alterations.6. Check inside the system for any obvious unsafe conditions, such as metalfilings, contamination, water or other liquid, or signs of fire or smoke damage.7. Check for worn, frayed, or pinched cables.8. Make sure that the power-supply cover fasteners (screws or rivets) have notbeen removed or tampered with.Guidelines for servicing electrical equipmentObserve these guidelines when you service electrical equipment.v Check the area for electrical hazards such as moist floors, nongrounded powerextension cords, and missing safety grounds.v Use only approved tools and test equipment. Some hand tools have handles thatare covered with a soft material that does not provide insulation from liveelectrical current.v Regularly inspect and maintain your electrical hand tools for safe operationalcondition. Do not use worn or broken tools or testers.v Do not touch the reflective surface of a dental mirror to a live electrical circuit.The surface is conductive and can cause personal injury or equipment damage ifit touches a live electrical circuit.v Some rubber floor mats contain small conductive fibers to decrease electrostaticdischarge. Do not use this type of mat to protect yourself from electrical shock.v Do not work alone under hazardous conditions or near equipment that hashazardous voltages.v Locate the emergency power-off (EPO) switch, disconnecting switch, or electricaloutlet so that you can turn off the power quickly in the event of an electricalaccident.v Disconnect all power before you perform a mechanical inspection, work nearpower supplies, or remove or install main units.Safety vii