HP Xw9400 - Workstation - 16 GB RAM Reference Manual page 173

Table 6-18 POST error messages (continued)
Screen Message
304–Keyboard or
System Unit Error
510–Splash Screen
Image Corrupted
511–CPU Fan Not
Detected
512–PCI 1 Fan Not
Detected
513–Chassis Fan or
Memory Fan Not
Detected
514–VRD fan not
detected
516–Processors Do Not
Have the Same
Frequency Operating
Range
516–Processors Do Not
Have the Same
Frequency Operating
Range
ENWW
Probable Cause
Keyboard failure.
Splash Screen image has
errors.
Fan is not connected or it might
have malfunctioned.
Fan is not connected or it might
have malfunctioned.
Memory or system fan is not
connected or it might have
malfunctioned.
VRD fan on liquid cooling unit
not functioning.
Installed processors operate at
different frequencies.
Installed processors operate at
different frequencies.
Recommended Action
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Reconnect the keyboard to the
powered-off workstation.
2. Be sure that none of the keys are
pressed or stuck.
3. Replace keyboard.
4. Replace system board.
Restore BIOS.
1. Reseat fan cable.
2. Reseat the fan.
3. Replace the fan.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Reseat PCI fan cable.
2. Replace PC1 fan.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Reseat memory or system fan
connector.
2. Replace memory or system fan.
Verify VRD fan operation; replace if
necessary.
Replace a processor so that both operate at
the same frequency.
Replace a processor so that both operate at
the same frequency.
POST error messages 163