8-8 TroubleshootingPOST Error MessagesWhen POST detects an error, it displays an error message on the display unit screen. Thefollowing table lists error codes, error messages, and actions to take.IMPORTANT: Take a note on the messages displayed beforeconsulting with your sales agent. Alarm messages are usefulinformation for maintenance.The response section in the following table is divided into three types: Warning:The message is displayed on screen and the error is logged to the SEL. The system willcontinue booting with a degraded state. Pause:The message is displayed on the screen and the boot process is paused until the appropriateinput is given to either continue the boot process or take corrective action. Halt:The system cannot boot unless the error is corrected.ErrorCode Error Message Response0000 Timer Error Pause0003 CMOS Battery Low Pause0004 CMOS Settings Wrong Pause0005 CMOS Checksum Bad Pause0008 Unlock Keyboard Halt0009 PS2 Keyboard not found Not an error000A KBC BAT Test failed Halt000B CMOS memory size different Pause000C RAM R/W test failed Pause000E A: Drive Error Pause000F B: Drive Error Pause0010 Floppy Controller Failure Pause0012 CMOS time not set Pause0014 PS2 Mouse not found Not an error0040 Refresh timer test failed Halt0041 Display memory test failed Pause0042 CMOS Display Type Wrong Pause0043 ~ Pressed Pause0044 DMA Controller Error Halt0045 DMA-1 Error Halt0046 DMA-2 Error Halt0047 Unknown BIOS error. Error code = 147 (this is really aPMM_MEM_ALLOC_ERR)Halt0048 Password check failed Halt0049 Unknown BIOS error. Error code = 149 (this is reallySEGMENT_REG_ERR)Halt004A Unknown BIOS error. Error code = 14A (this is really ADM_MODULE_ERR) Pause
