IBM System x3250 Installation Manual

Also see for System x3250: Installation and user guide User guide Specifications Problem determination and service guide

Contents

Power problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See the parts listing in the Problem Determination and Service Guide to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionThe power-control button doesnot work, and the reset buttondoes work (the server does notstart).Note: The power-control buttonwill not function until 20seconds after the server hasbeen connected to ac power.1. Make sure that the power-control button is working correctly:a. Disconnect the server power cords.b. Reconnect the power cords.c. Press the power-control button.d. If the server does not start, disconnect the server power cords and reseatthe operator information panel cables; then, repeat steps 1b through 1c. Ifthe problem remains, replace the operator information panel.2. Make sure that:v The ac power cord is correctly connected to the server and to a workingelectrical outlet.v The server contains the correct type of DIMMs.v The DIMMs are correctly seated.v (Trained service technician only) The microprocessor is correctly installed.3. 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 power supplysupports.4. Reseat the following components:a. DIMMsb. (Trained service technician only) Power-supply cables to all internalcomponentsc. (Trained service technician only) Power connector on the system board5. Replace the following components one at a time, in the order shown, restartingthe server each time:a. DIMMsb. (Trained service technician only) Power supplyc. (Trained service technician only) System board6. See “Solving undetermined problems” in the Problem Determination andService Guide.The server does not turn off. 1. Determine whether you are using an Advanced Configuration and PowerInterface (ACPI) or a non-ACPI operating system. If you are using a non-ACPIoperating system, complete the following steps:a. Press Ctrl+Alt+Delete.b. Turn off the server by pressing the power-control button for 5 seconds.c. Restart the server.d. If the server fails POST and the power-control button does not work,disconnect the ac power cord for 20 seconds; then, reconnect the ac powercord and restart the server.2. If the problem remains or if you are using an ACPI-aware operating system,suspect the system board.The server unexpectedly shutsdown, and the LEDs on theoperator information panel arenot lit.Call for service.Chapter 5. Solving problems 45