Power problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v See Chapter 5, “Parts listing, IBM System x3530 M4 Type 7160,” on page 265 to check if a component is aconsumable, structural, or FRU part.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.Symptom ActionThe power-control button doesnot work, and the reset buttondoes work (the server does notstart).Note: The power-control buttonwill not function untilapproximately 1 to 3 minutesafter the server has beenconnected to ac power.1. Make sure that the top cover is closed and latched correctly.2. Make sure that the top cover/power cut-off switch cable is seated correctly.3. Make sure that the power-control button on the server is working correctly:a. Disconnect the server power cords.b. Reconnect the power cords.c. Reseat the operator information panel cables, and then repeat steps 3a and3b.v If the server starts, reseat the operator information panel. If the problemremains, replace the operator information panel.4. Make sure that the reset button is working correctly:a. Disconnect the server power cords.b. Reconnect the power cords.c. Reseat the operator information panel cable, and then repeat steps 3a and3b.v If the server starts, replace the operator information panel.v If the server does not start, go to step 5.5. Make sure that:v The power cords are correctly connected to the server and to a workingelectrical outlet.v The type of memory that is installed is correct.v The DIMMs are fully seated.v The LEDs on the power supply do not indicate a problem.v The microprocessors are installed in the correct sequence.6. Reseat the following components:a. DIMMsb. Power supplies7. Replace the components listed in step 6 one at a time, in the order shown,restarting the server each time.8. If you just installed an optional device, remove it, and restart the server. If theserver now starts, you might have installed more devices than the powersupply supports.9. See “Power-supply LEDs” on page 114.10. See “Solving undetermined problems” on page 259.The server does not start. 1. Check the power LED on the system board. See “System-board LEDs” on page28 for the LED location.2. Reseat the power supply.3. Replace the power supply.The server does not start.(Continued)254 System x3530 M4 Type 7160: Installation and Service Guide
