IBM 8872 Service Guide - Page 33
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UPC - 000435813060
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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, Type 8872 and Type 8874," on page 93 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. Beep code Description Action One continuous beep Microprocessor error. 1. Reseat the following components: a. (Trained service technician only) Microprocessor b. (Trained service technician only) Optional microprocessor c. Microprocessor tray 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. (Trained service technician only) Microprocessor b. (Trained service technician only) Optional microprocessor c. (Trained service technician only) Microprocessor tray Repeating short beeps Keyboard error. 1. Reseat the following components: a. Keyboard b. I/O board 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. Repeating long beeps Memory error. Reseat the DIMMs. One long and one short Card error. beep 1. Reseat the following components: a. Microprocessor tray b. I/O board 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. (Trained service technician only) Microprocessor tray b. I/O board One long and two short Card error. beeps 1. Reseat the following components: a. Microprocessor tray b. I/O board 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. (Trained service technician only) Microprocessor tray b. I/O board Chapter 2. Diagnostics 17