Lenovo ThinkSystem SR550 Maintenance Manual

Also see for ThinkSystem SR550: Manual Manual Product guide Quick start guide Setup guide

• Make sure that you have an adequate number of properly grounded electrical outlets for the server,monitor, and other devices.• Back up all important data before you make changes related to the disk drives.• Have a small flat-blade screwdriver, a small Phillips screwdriver, and a T8 torx screwdriver available.• To view the error LEDs on the system board and internal components, leave the power on.• You do not have to turn off the server to remove or install hot-swap power supplies, hot-swap fans, or hot-plug USB devices. However, you must turn off the server before you perform any steps that involveremoving or installing adapter cables, and you must disconnect the power source from the server beforeyou perform any steps that involve removing or installing a riser card.• Blue on a component indicates touch points, where you can grip to remove a component from or install itin the server, open or close a latch, and so on.• Orange on a component or an orange label on or near a component indicates that the component can behot-swapped if the server and operating system support hot-swap capability, which means that you canremove or install the component while the server is still running. (Orange can also indicate touch points onhot-swap components.) See the instructions for removing or installing a specific hot-swap component forany additional procedures that you might have to perform before you remove or install the component.• The Red strip on the drives, adjacent to the release latch, indicates that the drive can be hot-swapped ifthe server and operating system support hot-swap capability. This means that you can remove or installthe drive while the server is still running.Note: See the system-specific instructions for removing or installing a hot-swap drive for any additionalprocedures that you might need to perform before you remove or install the drive.• After finishing working on the server, make sure you reinstall all safety shields, guards, labels, and groundwires.Safety inspection checklistUse the information in this section to identify potentially unsafe conditions with your server. As each machinewas designed and built, required safety items were installed to protect users and service technicians frominjury.Notes:1. The product is not suitable for use at visual display workplaces according to §2 of the WorkplaceRegulations.2. The set-up of the server is made in the server room only.CAUTION:This equipment must be installed or serviced by trained personnel, as defined by the NEC, IEC 62368-1 & IEC 60950-1, the standard for Safety of Electronic Equipment within the Field of Audio/Video,Information Technology and Communication Technology. Lenovo assumes you are qualified in theservicing of equipment and trained in recognizing hazards energy levels in products. Access to theequipment is by the use of a tool, lock and key, or other means of security, and is controlled by theauthority responsible for the location.Important: Electrical grounding of the server is required for operator safety and correct system function.Proper grounding of the electrical outlet can be verified by a certified electrician.Use the following checklist to verify that there are no potentially unsafe conditions:1. Make sure that the power is off and the power cord is disconnected.2. Check the power cord.54 ThinkSystem SR550 Maintenance Manual