IBM xSeries 342 2RX Maintenance Manual

Contents

FRU information (service only) . . . . 75Removing the LED cover . . . . . . . . . . 75Removing the LED board. . . . . . . . . . 75Removing the on/off reset board . . . . . . . 76Removing the diskette/CDROM drive . . . . . 76Removing the SCSI backplane . . . . . . . . 77Removing the hot-swap hard disk drive backplaneassembly . . . . . . . . . . . . . . . 77Removing the power supply backplane . . . . . 78Removing the AC Distribution Box . . . . . . 79Removing the system board . . . . . . . . . 79Symptom-to-FRU index . . . . . . . 81Beep symptoms . . . . . . . . . . . . . 81No Beep symptoms. . . . . . . . . . . . 83Information panel system error LED . . . . . . 83Diagnostic error codes . . . . . . . . . . . 85Error symptoms . . . . . . . . . . . . . 89Power supply LED errors. . . . . . . . . . 90POST error codes . . . . . . . . . . . . 91SCSI error codes . . . . . . . . . . . . . 96Temperature error messages . . . . . . . . . 97Fan error messages . . . . . . . . . . . . 97Power error messages . . . . . . . . . . . 98System shutdown . . . . . . . . . . . . 98Voltage related system shutdown . . . . . . 98Temperature related system shutdown . . . . 99DASD checkout . . . . . . . . . . . . . 99Host Built-In Self Test (BIST) . . . . . . . . 99Bus fault messages . . . . . . . . . . . 100Undetermined problems . . . . . . . . . . 100Parts listing (xSeries 342 Model 1RX,2RX, 1TG, 2TG) . . . . . . . . . . 103Keyboards . . . . . . . . . . . . . . 104Power cords . . . . . . . . . . . . . 105Related service information . . . . . 107Safety information. . . . . . . . . . . . 107General safety . . . . . . . . . . . . 107Electrical safety. . . . . . . . . . . . 108Safety inspection guide . . . . . . . . . 109Handling electrostatic discharge-sensitivedevices . . . . . . . . . . . . . . 110Grounding requirements. . . . . . . . . 111Safety notices (multi-lingual translations) . . . 111Send us your comments! . . . . . . . . . 146Problem determination tips. . . . . . . . . 147Notices . . . . . . . . . . . . . . . 147Trademarks . . . . . . . . . . . . . . 148iv Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG