IBM x3500 Installation Guide - Page 100
Power, problems - power button problem
UPC - 883436005760
View all IBM x3500 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 100 highlights
Power problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the Problem Determination and Service Guide on the IBM System x Documentation CD to determine which components are customer 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 a trained service technician. Symptom Action The power-control button does 1. Make sure that the power-control button is working correctly: not work (the server does not start). a. Disconnect the server power cords. Note: The power-control button b. Reconnect the power cords. will not function until 20 c. (Trained service technician only) Reseat the operator information panel seconds after the server has cables, and then repeat steps 1a and 1b. been connected to ac power. v (Trained service technician only) If the server starts, reseat the operator information panel. If the problem remains, replace the operator information panel. 2. Make sure that: v The power cords are correctly connected to the server and to a working electrical outlet. v The type of memory that is installed is correct. v The DIMM is fully seated. v The LEDs on the power supply do not indicate a problem. v The microprocessors are installed in the correct sequence. 3. Reseat the following components: a. DIMMs b. (Trained service technician only) Power switch connector c. (Trained service technician only) Power backplane 4. Replace the following components one at a time, in the order shown, restarting the server each time: a. DIMMs b. (Trained service technician only) Power switch connector c. (Trained service technician only) Power backplane d. (Trained service technician only) System board 5. If you just installed an optional device, remove it, and restart the server. If the server now starts, you might have installed more devices than the power supply supports. 6. See the Problem Determination and Service Guide on the IBM System x Documentation CD. The server does not turn off. 1. Determine whether you are using an Advanced Configuration and Power Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI operating 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 power cord for 20 seconds; then, reconnect the power cord and restart the server. 2. If the problem remains or if you are using an ACPI-aware operating system, suspect the System board. 86 IBM System x3500 Type 7977: Installation Guide