IBM System x3500 M2 Type 7839 Installation And User Manual

Also see for System x3500 M2 Type 7839: Specifications

Contents

Table 2. Power-supply LEDsPower-supply LEDsDescription Action NotesAC DC ErrorOff Off Off No ac power tothe server or aproblem with theac power source1. Check the ac power to the server.2. Make sure that the power cord isconnected to a functioning powersource.3. Turn the server off and then turn theserver back on.4. If the problem remains, replace thepower supply.This is a normalcondition when noac power is present.Off Off On No ac power tothe server or aproblem with theac power sourceand the powersupply haddetected aninternal problem1. Replace the power supply.2. Make sure that the power cord isconnected to a functioning powersource.This happens onlywhen a secondpower supply isproviding power tothe server.Off On Off Faulty powersupplyReplace the power supply.Off On On Faulty powersupplyReplace the power supply.On Off Off Power supply notfully seated,faulty systemboard, or faultypower supply1. Reseat the power supply.2. If the system board error LED is off,replace the power supply.3. (Trained service technician only) If thesystem board error LED is lit, replacethe system board.Typically indicatesthat a power supplyis not fully seated.On Off orFlashingOn Faulty powersupplyReplace the power supply.On On Off Normal operationOn On On Power supply isfaulty but stilloperationalReplace the power supply.Server power featuresWhen the server is connected to an ac power source but is not turned on, theoperating system does not run, and all core logic except for the integratedmanagement module (IMM) is shut down; however, the server can respond torequests from the IMM, such as a remote request to turn on the server. Thepower-on LED flashes to indicate that the server is connected to ac power but notturned on.Turning on the serverApproximately 3 minutes after the server is connected to ac power, thepower-control button becomes active, and one or more fans might start running toprovide cooling while the server is connected to power. You can turn on the serverand start the operating system by pressing the power-control button.The server can also be turned on in any of the following ways:18 IBM System x3500 M2 Type 7839: Installation and User’s Guide