HP Z440 Workstation Series Maintenance And Service Manual page 106
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Also See for Z440 Workstation Series:
- Technical white paper (21 pages) ,
- User manual (68 pages)
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Screen message
518—PCI fan not detected
519—Hard drive fan not
detected
520—Memory fan (2) not
detected
521—Memory fan (3) not
detected
522—Memory fan (4) not
detected
523—CPU fan (2) not detected
524—Rear chassis fan(2) not
detected
525—Front chassis fan(2) not
detected
526—CPU Liquid Cooling pump
not detected
527—CPU Liquid Cooling pump
(2) not detected
529—Unsupported WiFi
Device(s) Detected
917—Front Audio Not
Connected
918—Front USB Not Connected
921—Front USB Not Connected
96
Chapter 4 Diagnostics and troubleshooting
Probable cause
PCI fan missing, disconnected, or
defective.
Hard drive fan missing, disconnected, or
defective.
Memory fan (2) missing, disconnected,
or defective.
Memory fan(3) missing, disconnected, or
defective.
Memory fan(4) missing, disconnected, or
defective.
Processor fan(2) missing, disconnected,
or defective.
Rear chassis fan(2) missing,
disconnected, or defective.
Front chassis fan(2) missing,
disconnected, or defective.
Liquid cooling pump on CPU1 is not
detected.
Liquid cooling pump on CPU2 is not
detected.
An unsupported WiFi device has been
installed into an internal slot.
Front Audio mechanism is missing or is
not connected.
Front USB mechanism is missing or is not
connected.
Front USB mechanism is missing or is not
connected.
Recommended action
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.
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.
1.
Reseat the pump cable.
2.
Replace the pump.
1.
Reseat the pump cable.
2.
Replace the pump.
Remove the unsupported device.
1.
Replace or reconnect the missing front audio
mechanism to the system board.
2.
Reseat or replace the missing mechanism cable.
1.
Replace or reconnect the missing Front USB
mechanism to the system board.
2.
Reseat or replace the missing mechanism cable.
1.
Replace or reconnect the missing Front USB
mechanism to the system board.
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Table of Contents
Troubleshooting
