IBM 8863 Service Guide - Page 85

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 8863," 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. Error code Description Action 166-201-001 ISMP indicates I2C errors on bus P. 1. Reseat the following components: a. (Trained service technician only) Power backplane b. I/O board 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) Power backplane b. I/O board c. (Trained service technician only) Microprocessor tray 166-201-002 ISMP indicates I2C errors on bus I. Reseat and, if necessary, replace the I/O board. 166-201-003 ISMP indicates I2C errors on bus C. 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 166-201-004 ISMP indicates I2C errors on bus M. 1. Reseat the following components: a. I/O board b. Memory card c. Microprocessor tray 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. I/O board b. Memory card c. (Trained service technician only) Microprocessor tray 166-201-005 ISMP indicates I2C errors on bus S. 1. Reseat the following components: a. SAS hard disk drive backplane cables b. I/O board 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. SAS hard disk drive backplane b. I/O board Chapter 2. Diagnostics 69