HP mt20 Maintenance and Service Guide - Page 88

Numeric Codes and Text Messages continued, Table 9-4

Page 88 highlights

Table 9-4 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 512-Chassis, Rear Chassis, or Front Chassis Fan Chassis, rear chassis, or front chassis fan is not 1. Reseat chassis, rear chassis, or front not Detected connected or may have malfunctioned. chassis fan. 2. Reseat fan cable. 3. Replace chassis, rear chassis, or front chassis fan. 513-Front Chassis fan not detected Front chassis fan is not connected or may have 1. Reseat front chassis fan. malfunctioned. 2. Reseat fan cable. 3. Replace front chassis fan. 912-Computer Cover Has Been Removed Since Computer cover was removed since last system No action required. Last System Startup startup. 921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this Try rebooting the system. If the error reoccurs, device and the system or PCI Express Link could the device may not work with this system not be retrained to an x1. 1720-SMART Hard Drive Detects Imminent Failure Hard drive is about to fail. (Some hard drives 1. have a hard drive firmware patch that will fix an erroneous error message.) Determine if hard drive is giving correct error message. Run the Drive Protection System test using F2 Diagnostics. 2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. 78 Chapter 9 Diagnostics and troubleshooting

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Table 9-4
Numeric Codes and Text Messages (continued)
Control panel message
Description
Recommended action
512-Chassis, Rear Chassis, or Front Chassis Fan
not Detected
Chassis, rear chassis, or front chassis fan is not
connected or may have malfunctioned.
1.
Reseat chassis, rear chassis, or front
chassis fan.
2.
Reseat fan cable.
3.
Replace chassis, rear chassis, or front
chassis fan.
513-Front Chassis fan not detected
Front chassis fan is not connected or may have
malfunctioned.
1.
Reseat front chassis fan.
2.
Reseat fan cable.
3.
Replace front chassis fan.
912-Computer Cover Has Been Removed Since
Last System Startup
Computer cover was removed since last system
startup.
No action required.
921-Device in PCI Express slot failed to initialize
There is an incompatibility/problem with this
device and the system or PCI Express Link could
not be retrained to an x1.
Try rebooting the system. If the error reoccurs,
the device may not work with this system
1720-SMART Hard Drive Detects Imminent
Failure
Hard drive is about to fail. (Some hard drives
have a hard drive
firmware
patch that will
fix
an
erroneous error message.)
1.
Determine if hard drive is giving correct
error message. Run the Drive Protection
System test using F2 Diagnostics.
2.
Apply hard drive
firmware
patch
if applicable. (Available at
support
.)
3.
Back up contents and replace hard drive.
Invalid Electronic Serial Number
Electronic serial number is missing.
Enter the correct serial number in Computer
Setup.
Network Server Mode Active and No Keyboard
Attached
Keyboard failure while Network Server Mode
enabled.
1.
Reconnect keyboard with computer
turned
off.
2.
Check connector for bent or missing pins.
3.
Ensure that none of the keys are
depressed.
4.
Replace keyboard.
Parity Check 2
Parity RAM failure.
Run Computer Setup and Diagnostic utilities.
78
Chapter 9
Diagnostics and troubleshooting