v 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, System x3200 Types 4362 and 4363,” on page 27 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.Symptom ActionThe server unexpectedly shutsdown, and the LEDs on thefront-panel assembly are not lit.See “Solving undetermined problems” on page 148.Serial port 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, System x3200 Types 4362 and 4363,” on page 27 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.Symptom ActionThe number of serial ports thatare identified by the operatingsystem is less than the numberof installed serial ports.1. Make sure that:v Each port is assigned a unique address in the Configuration/Setup Utilityprogram and none of the serial ports is disabled.v The serial-port adapter (if one is present) is seated correctly.2. Reseat the serial-port adapter.3. Replace the serial-port adapter.A serial device does not work. 1. Make sure that:v The device is compatible with the server.v The serial port is enabled and is assigned a unique address.v The device is connected to the correct connector (see “Connectors, LEDs,and jumpers” on page 9).2. Reseat the following components:a. Failing serial deviceb. Serial cablec. Remote Supervisor Adapter II SlimLine (if one is present)3. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Failing serial deviceb. Serial cablec. Remote Supervisor Adapter II SlimLine (if one is present)d. (Trained service technician only) System boardChapter 5. Diagnostics 121
