HP Z220 SFF Maintenance And Service Manual page 167

Table 4-10 POST error messages (continued)
Screen message
304—Keyboard or System
Unit Error
510—Splash Screen image
corrupted
511—CPU Fan not detected
512—Rear chassis fan not
detected
513—Front Chassis fan not
detected
514—Power supply wattage
insufficient for hardware
configuration
515—Power supply fan not
detected
517—Memory fan not
detected
518—PCI fan not detected
519—Hard drive fan not
detected
520—Memory fan (2) not
detected
Probable cause
Keyboard failure.
Splash Screen image has errors.
Fan is not connected or is defective.
Fan missing, disconnected, or
defective.
Front fan missing, disconnected, or
defective.
Computer configuration requires more
power than the power supply can
provide
Power supply fan is disconnected or
defective.
Memory fan missing, disconnected, or
defective.
PCI fan missing, disconnected, or
defective.
Hard drive fan missing, disconnected,
or defective.
Memory fan (2) missing, disconnected,
or defective.
Recommended action
1.
Reconnect the keyboard with the computer
powered off.
2. Connect a keyboard directly to the computer
(instead of through a switch box).
3.
Be sure that none of the keys are pressed.
4. Replace keyboard.
5. Replace system board.
Update system BIOS/UEFI.
1.
Reseat the fan cable.
2. Reseat the fan.
3. Replace the fan.
1.
Reseat the fan cable.
2. Reseat the fan.
3.
Replace the fan.
1. Reseat the fan cable.
2.
Reseat the fan.
3.
Replace the fan.
Reduce the computer power consumption.
1. Reseat the power supply cables.
2.
Replace the power supply.
1. Reseat the fan cable.
2.
Reseat the fan.
3.
Replace the fan.
1.
Reseat the fan cable.
2.
Reseat the fan.
3. Replace the fan.
1.
Reseat the fan cable.
2. Reseat the fan.
3.
Replace the fan.
1. Reseat the fan cable.
2.
Reseat the fan.
3.
Replace the fan.
Diagnostic codes and errors
155