General problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 4364 or Type 4365 server,” on page 59 to determine which componentsare 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.Symptom ActionA cover lock is broken, an LEDis not working, or a similarproblem has occurred.If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by atrained service technician.Hard disk drive problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 4364 or Type 4365 server,” on page 59 to determine which componentsare 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.Symptom ActionNot all drives are recognized bythe hard disk drive diagnostictest (the Fixed Disk test).Remove the drive indicated on the diagnostic tests; then, run the hard disk drivediagnostic test again. If the remaining drives are recognized, replace the drive thatyou removed with a new one.The server stops respondingduring the hard disk drivediagnostic test.Remove the hard disk drive that was being tested when the server stoppedresponding, and run the diagnostic test again. If the hard disk drive diagnostic testruns successfully, replace the drive that you removed with a new one.A hard disk drive was notdetected while the operatingsystem was being started.Reseat all hard disk drives and cables; then, run the hard disk drive diagnostictests again.A hard disk drive passes thediagnostic Fixed Disk Test butthe problem remains.Run the diagnostic SCSI Attached Disk Test (see “Running the diagnosticprograms” on page 37).Note: Use the SCSI Attached Disk test for drives that are part of RAID arrays. Usethe Fixed Disk Test for SATA drives that are not part of RAID arrays.Chapter 2. Diagnostics 25