IBM 9179-MHB, 9117-MMB manual Close the rear rack door

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6.Close the rear rack door.

Related information

Starting the system or logical partition

Replacing the 9117-MMB or 9179-MHB power supply with the power turned on

Learn how to replace a power supply with the system power turned on.

Attention: Two power supplies must be present in the system to power on the system unit. If one power supply fails, or you have a system failure that does not stop the fans, the system continues to operate. You can remove and replace the power supply with the system power turned on if it is done in less than 5 minutes. After 5 minutes, the system turns off the power to prevent the system from overheating. If the system power is turned off, go to “Replacing the 9117-MMB or 9179-MHB power supply with the power turned off” on page 4.

If your system is managed by the Hardware Management Console (HMC), use the HMC to replace a power supply. For instructions, see Exchanging a part by using the Hardware Management Console.

If your system is managed by the IBM Systems Director Management Console (SDMC), use the SDMC to replace a power supply in the server. For instructions, see Replacing a part by using the Systems Director Management Console.

If your system is not managed by an HMC or SDMC, complete the following steps to replace a power supply in a system while the system power is turned on:

1.To remove the power supply, see “Removing the 9117-MMB or 9179-MHB power supply with the power turned on” on page 3.

2.Perform the prerequisite tasks, as described in Before you begin.

3.Attach the wrist strap.

6Power Systems: Power supplies for the 9117-MMB or 9179-MHB

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Contents Power supplies for the 9117-MMB or 9179-MHB Page Power supplies for the 9117-MMB or 9179-MHB Copyright IBM Corporation 2010 Contents Iv Power Systems Power supplies for the 9117-MMB or 9179-MHB Laser safety information World Trade safety informationGerman safety information Laser complianceVi Power Systems Power supplies for the 9117-MMB or 9179-MHB Safety notices Page L003 Power Systems Power supplies for the 9117-MMB or 9179-MHB Whats new in Power supplies MarchRemoving the power supply Related information Before you begin Identifying a failing part Connect the power cable a to the power supply Close the rear rack door Replacing the power supply Power supply LEDs Power supplies FRU fault and identify LED Removing a power supply Fan fault LED and fan identify button Related information Power Systems Power supplies for the 9117-MMB or 9179-MHB Removing a power supply Removing a power supply fan Power supplies Replacing a fan Connecting the power cable to the front of an expansion unit Expansion unit ac power and OCA power LEDs Related information Replacing a fan Replacing a power supply Expansion unit ac power and OCA power LEDs Related information Power Systems Power supplies for the 9117-MMB or 9179-MHB Removing an input power distribution assembly cover Related information Replacing an input power distribution assembly Connecting the power cables at the rear of an expansion unit Replacing an input power distribution assembly Replacing an input power distribution assembly cover Common procedures for installable features Before you beginPower Systems Power supplies for the 9117-MMB or 9179-MHB Power supplies Identifying a part Control panel LEDsControl panel Deactivating the failing-part indicator light Select Display Previous Diagnostic Results and press EnterActivating the indicator light for the failing part Related conceptsActivating the failing-part indicator light Related information Identifying a part by using the Virtual I/O Server Starting the system or logical partition Starting a system that is not managed by an HMC or an SdmcPower supplies Stopping a system or logical partition Stopping a system that is not managed by an HMC or an SdmcStopping a system by using the Hardware Management Console From the Actions menu, select Operations → Power Off Placing the system in the service position Placing the system into the operating position Removing and replacing covers for the 8202-E4B or 8205-E6B Removing the front cover Removing the front cover Removing the front cover Installing the front cover Removing the service access cover Installing the outside service access cover Installing the service access cover Installing the inside service access cover Installing the outside service access cover Removing the power cords for a rack-mounted system Tasks area expand Serviceability → Hardware → MES Tasks Connecting the power cordsVerifying the installed part Did the Resource Repair Action menu appear? No Go to step No. This ends the procedure Sign on with at least service level authority Verifying an installed part by using stand-alone diagnostics Choose Commit Exit to the command line Activating and deactivating LEDs by using the HMC Click Close EventViewing serviceable events by using the HMC Select Manage Serviceable EventsSelect Actions → View Comments Deactivating a system attention LED or partition LED Activating or deactivating identify LED by using the Sdmc Select Actions → System Status and Health → Event LogPower supplies Select Commit Follow any instructions that are shown Verifying a repair Load the operating systemDid you encounter any problems? Verifying the repair in AIXPerform the following steps Did another Resource Repair Action 801015 display? Yes Power supplies Procedure Verifying the repair in Linux Verifying the repair from the management consoleClosing a service call View Serviceable Event DetailsPower supplies Yes Go to step No Continue with the next step Select the No FRU Replaced for this Serviceable Event option Power Systems Power supplies for the 9117-MMB or 9179-MHB Closing a service call using AIX or Linux System hardware is functioning correctly Select the Diagnostics Routines option Power Systems Power supplies for the 9117-MMB or 9179-MHB Power supplies Yes Continue with the next step No Go to step Click Close Event Is the error class recorded in on page 91? Activating and deactivating LEDs Open Operations Open LED Status Click Actions Service and Support Hardware Identify LED Click Save settings Copyright IBM Corp Class a Notices TrademarksElectronic emission notices Ethernet connection usage restrictionEuropean Community Compliance Statement Industry Canada Compliance StatementAvis de conformité à la réglementation dIndustrie Canada Vcci Statement JapanElectromagnetic Interference EMI Statement Taiwan IBM Taiwan Contact InformationPage Class B Notices Electromagnetic Interference EMI Statement RussiaIndustry Canada Compliance Statement Power Systems Power supplies for the 9117-MMB or 9179-MHB Terms and conditions Power Systems Power supplies for the 9117-MMB or 9179-MHB