IBM 8863 User Manual - Page 74

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide 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. Lit light path diagnostics LED with the system-error LED also lit Description Action All LEDs off (the power LED is lit; the information LED might be lit). No action necessary. OVERSPEC There is insufficient power to power the system. The NON RED and LOG LEDs might also be lit. 1. Add an optional power supply if only one power supply is installed. 2. Use 220 V ac input power. 3. Reseat the following components: a. Power supply b. (Trained service technician only) Power backplane 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. 5. Use 220 V ac instead of 110 V ac. PS A power supply has failed or has 1. Reinstall the removed power supply. been removed. Note: In a redundant power configuration, the dc power LED on 2. Check the individual power-supply LEDs to find the failing power supply. one power supply might be off. 3. Reseat the following components: a. Failing power supply b. (Trained service technician only) Power backplane 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. 5. If a 240 V ac fault has occurred, ac power must be removed before dc power can be restored. LINK Reserved 62 IBM xSeries 366 Type 8863: Installation Guide