HP Z230 Workstation - Maintenance and Service Guide

Screen message Probable cause Recommended action
525—Front chassis fan(2) not
detected
Front chassis fan(2) missing,
disconnected, or defective.
1. Reseat the fan cable.
2. Reseat the fan.
3. Replace the fan.
526—CPU Liquid Cooling pump
not detected
Liquid cooling pump on CPU1 is not
detected.
1. Reseat the pump cable.
2. Replace the pump.
527—CPU Liquid Cooling pump
(2) not detected
Liquid cooling pump on CPU2 is not
detected.
1. Reseat the pump cable.
2. Replace the pump.
528—CPU requires Liquid
Cooling solution
Invalid system configuration. 1. Remove incorrect processor and reinstall original
processor.
2. Remove incorrect cooling solution and reinstall
original liquid cooling solution.
529—Unsupported WiFi
Device(s) Detected
An unsupported WiFi device has been
installed into an internal slot.
Remove the unsupported device.
917—Front Audio Not
Connected
Front Audio mechanism is missing or is
not connected.
1. Replace or reconnect the missing front audio
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
918—Front USB Not Connected Front USB mechanism is missing or is not
connected.
1. Replace or reconnect the missing Front USB
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
921—Front USB Not Connected Front USB mechanism is missing or is not
connected.
1. Replace or reconnect the missing Front USB
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
922—Front USB 2 Not
Connected
Front USB 2 mechanism is missing or is
not connected.
1. Replace or reconnect the missing Front USB 2
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
923—Fatal IRPP error. Potential system problem; contact HP Support.
924—Fatal IIO error Potential system problem; contact HP Support.
925—Fatal Misc. Error A fatal miscellaneous chipset error is
setected.
927—Fatal error on DIMM in
slot CPU X DIMM Y
Fatal multibit ECC error detected on the
DIMM in the slot labeled DIMM Y (where Y
is a number), as labeled on the system
board.
Replace the DIMM in the identified slot.
928—Fatal error occurred in the
designated slot.
Fatal error occurred in the designated
slot.
Move the card to a different slot. If the problem persists,
replace the card.
929—Fatal MCA Errorr An MCA condition is detected on the
system.
939—Front USB 3.0 Not
Connected
Front USB 3.0 mechanism is missing or is
not connected.
1. Replace or reconnect the missing Front USB 3.0
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
940—Front 1394 Not
Connected
Front 1394 mechanism is missing or is
not connected.
1. Replace or reconnect the missing Front 1394
mechanism to the system board.
98 Chapter 4 Diagnostics and troubleshooting