8-28 TroubleshootingBeep CodesIf an error occurs during the POST, the server beeps, indicating the type of error.Each number indicates the number of short beeps, and a hyphen indicates a pause. For example, thebeep interval 1-3-1-3 indicates 1 beep, pause, 3 beeps, pause, 1 beeps, pause, and 3 beeps notifyingthat the keyboard controller error.Beep code Description Recommended action1-2 Video BIOS initializationerror1-2 Option ROM initializationerrorIf nothing is displayed, check if the connector of thedisplay unit is properly connected. If the error persists,contact your service representative to replace the I/Oboard.If an expansion of Option ROM for additionallyinstalled PCI board is not displayed, check if the PCIboard is properly installed. If the error persists, contactyour service representative to replace the I/O board orPCI board.1-3-1-3 Keyboard controller error Disconnect the keyboard and connect it again. If theerror persists, contact your service representative toreplace the I/O board.1-3-3-1 Memory is not detected.Or, DIMM type isincorrect.1-3-4-1 DRAM Address error1-3-4-3 DRAM test Low Byteerror1-4-1-1 DRAM test High ByteerrorCheck if the DIMM and memory boards are properlyconnected. If the error persists, contact your servicerepresentative to replace DIMM or memory board.1-5-1-1 Processor fails to start.1-5-2-2 No processor errorCheck if the processor is properly installed. If the errorpersists, contact your service representative to replaceprocessor or processor board.1-5-2-3 Processors of varioustypes and voltagescoexist.Check if the additionally installed processor issupported by the server. Check also the installation ofprocessor. If the error persists, contact your servicerepresentative to replace the processor or processorboard.1-5-4-4 Power failure Internal board may be faulty. Contact your servicerepresentative to identify the faulty board and replaceit with new one.2-2-3-1 Unexpected interrupt testerrorContact your service representative to replace the I/Oboard.NOTE: Beep code 1-5-4-2 informs you that AC power supply isinterrupted due to power failure or momentary voltage drop and thesystem is restarted. This is not an error.
