HP xw4200 - Diagnostic Error Codes; Diagnostic Light Codes

DIAGNOSTIC ERROR CODES 123
Chapter 5
Diagnostic Error Codes
This section gives an overview of the diagnostic lights and error codes that are related to the HP
Workstation xw4200.
Diagnostic Light Codes
Table 5-2 Diagnostic Light Codes
Chassis Indicator Lights
Power LED and Sound
Activity
Diagnosis and Service Action
None System does not power on
Press power button. If HDD LED = GREEN, then:
1 Remove expansion cards one at a time until the 5V_Aux light on the system board
illuminates.
2 Replace system board.
OR
1 Press power button. If HDD LED does not illuminate, then:
2 Verify workstation plugged into live AC outlet.
3 Verify power button harness connected to system board.
4 Verify that both power supply cables are properly connected to the system board.
5 Verify that the 5V_Aux light on the system board is illuminated. If on, replace the
power button harness.
6 Disconnect the AC power cord. Disconnect all internal power supply cables. Plug
in the AC power cord. On the rear panel of the workstation, look through the
ventilation holes above the power cord connector for a green LED light.
z If the green LED light is not visible or the power supply fan is not spinning,
replace the power supply.
z If the green LED light is visible and the power supply fan is spinning, the
power supply is functional.
7 Replace system board.
Blinks RED 2 times, once per
second, then 2 second pause,
2 beeps
Thermal Shutdown:
1 Ensure the workstation air vents are not blocked and cooling fan is running.
2 Open hood, press power button, and see if processor fan spins. If not spinning,
ensure fan cable is plugged into the system board. Ensure fan is fully/properly
seated.
3 If fan is plugged in and seated but not spinning, then replace processor fan.
4 Reseat CPU heatsink and verify fan assembly properly attached.
Blinks RED 3 times, once per
second, then 2-second pause,
3 beeps
CPU not installed:
1 Install CPU.
2 Reseat CPU.