IBM System x3250 4364 Problem Determination And Service Manual

Also see for System x3250 4364: Installation guide User 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 Chapter 3, “Parts listing, Type 4364, 4365, or 4366 server,” on page 15 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.System-event/error log message ActionSystem shutoff due to continuous +5v overvoltage. 1. Reseat the following components:a. (Trained service technician only) System boardb. Power supply2. (Trained service technician only) Replace the system board.System shutoff due to continuous +5v undervoltage. 1. Reseat the following components:a. (Trained service technician only) System boardb. Power supply2. (Trained service technician only) Replace the system board.System shutoff due to VRM 1 over voltage. 1. (Trained service technician only) Reseat the microprocessor.2. Replace the following components one at a time, in the ordershown, restarting the server each time:a. (Trained service technician only) Microprocessorb. (Trained service technician only) System boardSystem shutoff due to VRM 1 under voltage. 1. (Trained service technician only) Reseat the microprocessor.2. Replace the following components one at a time, in the ordershown, restarting the server each time:a. (Trained service technician only) Microprocessorb. (Trained service technician only) System boardSystem shutoff due to +2.5v under voltage. 1. Reseat the following components:a. (Trained service technician only) System boardb. Power supply2. (Trained service technician only) Replace the system board.System shutoff due to CPU over temperature. 1. Make sure that the fans have good airflow and are notobstructed.2. (Trained service technician only) Reseat the microprocessorheat-exchanger assembly.System shutoff due to board over temperature. 1. Make sure that the fans have good airflow and are notobstructed.2. (Trained service technician only) Reseat the system board.3. (Trained service technician only) Replace the system board.System under recommended voltage oncontinuous +5v. 1. Reseat the following components:a. (Trained service technician only) System boardb. Power supply2. (Trained service technician only) Replace the system board.System under recommended voltage for +12v. 1. Reseat the following components:a. (Trained service technician only) System boardb. Power supply2. (Trained service technician only) Replace the system board.Chapter 5. Diagnostics 111