IBM 88631SU - System x3850 - 8863 Installation Manual

Also see for 8863 - eServer xSeries 366: Service guide Service guide Installation guide Problem determination and service guide

Contents

v 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 ActionAn IBM option that used to workdoes not work now.v Make sure that all of the option hardware and cable connections are secure.v If the option comes with test instructions, use those instructions to test theoption.v If the failing option is a SAS device, make sure that:– The cables for all external SAS options are connected correctly.– The last device in each SAS chain, or the end of the SAS cable, isterminated correctly.– Any external SAS devices are turned on. You must turn on external SASdevices before turning on the server.If the problem remains, call for service.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 server does not turn on. v Make sure that the server power cord is connected to the server and a workingelectrical outlet.v Make sure that the type of memory that is installed is supported by the serverand is installed in the correct order.v Make sure that the microprocessors are installed in the correct sockets.v If you just installed an option, remove it, and restart the server. If the server nowturns on, you might have installed more options than the power supply supports.v Make sure the memory cassette is fully seated and the locking handle is all theway down.If the problem remains, call for service.The server does not turn off. Determine whether you are using an ACPI or non-ACPI operating system.If you are using a non-ACPI operating system, complete the following steps:1. Press Ctrl+Alt+Delete.2. Turn off the server by using the power-control button. You might need to pressand hold the power-control button for 5 seconds to force the server to turn off.If the problem remains or if you are using an ACPI operating system, call forservice.Serial port problemsFor more information about the serial port, see the User’s Guide on the IBMDocumentation CD.56 IBM System x3850 Type 8863: Installation Guide