IBM 436854u Service Guide - Page 172

The following table describes the problems that are indicated by various combinations of the power-supply LEDs and the power-on LED on the front information panel and suggested actions to correct the detected problems. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, System x3200 M2 Types 4367 and 4368," on page 33 to determine which components 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 a trained service technician. Power-supply Front LEDs information AC DC panel power-on LED Description Action Off Off Off No power to the 1. server, or a problem with the 2. ac power source. Check the ac power to the server. Make sure that the power cord is connected to a functioning power source. 3. Remove one power supply at a time. Lit Off Off DC source or power supply power problem. 1. Make sure that the power supply is connected to the power backplane. 2. Remove and replace one power supply at a time. 3. View the system-error log (see "Error logs" on page 125). Lit Lit Off Standby power problem. 1. View the system-error log (see "Error logs" on page 125). 2. Remove one power supply at a time. 3. (Trained service technician only) Replace the power backplane. Lit Lit Flashing System power-on problem. 1. View the system-error log (see "Error logs" on page 125). 2. Make sure that the power cables are seated correctly. 3. Press the power-control button on the control-panel. 4. Remove the optional Remote Supervisor Adapter II SlimLine, and try to turn on the server. 5. (Trained service technician only) Reseat the system board. 6. (Trained service technician only) Replace the system board. Lit Lit Lit The power is good. No action is necessary. 154 System x3200 M2 Types 4367 and 4368: Problem Determination and Service Guide