v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 4, “Parts listing, System x3655, Type 7985 and 7943,” on page 93 to determine whichcomponents 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 atrained service technician.Error code Description Action201-199-xxx Unexpected error. Test aborted. 1. Restart the server.2. Run the diagnostic test again.3. Reinstall the diagnostic programs (see “Updatingthe firmware” on page 167).4. Check the system event/error log and the BMClog for messages that indicate the cause of theerror, and take the indicated action.201-xxx-PBD Test failed:v P = microprocessor [1 - 2]v B = Failing bank/pair numberv D = Failing DIMM number within failingCPU #PNote: If D = 9, both DIMMS in the bankfailed.1. Reseat the failing DIMMs; then, run the memorydiagnostic test again.2. Replace the failing DIMMs; then, run the memorydiagnostic test again.3. (Trained service technician only) Replace thesystem board assembly.202-xxx-0nn Failed system cache test.Note: nn = APIC ID for failingmicroprocessorv 0, 1 = microprocessor 1v 2, 3 = microprocessor 21. Make sure that the BIOS code is at the latestlevel.2. (Trained service technician only) Reseat theindicated microprocessor.3. (Trained service technician only) Replace theindicated microprocessor.215-xxx-000 Failed CD-RW/DVD drive test. 1. Run the test again with a different CD-RW/DVDdrive.2. Reseat the following components:a. CD-RW/DVD driveb. Operator information panel assembly3. Replace the following components one at a time,in the order shown, restarting the server eachtime:a. CD-RW/DVD driveb. CD-RW/DVD media backplane217-198-xxx Could not establish drive parameters. 1. Reseat the hard disk drive signal cable.2. Reseat the hard disk drive.3. Replace the following components in the ordershown, restarting the server each time:a. Hard disk driveb. Hard disk drive signal cablec. Hard disk drive backplane217-xxx-00n Failed fixed disk test.Note: n is the number of the failed drive.The hard disk drive numbers are on theserver front.1. Reseat the hard disk drive indicated by n.2. Replace the hard disk drive indicated by n.66 IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide