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critical HP
Error Code Front panel LEDs flash repeatedly
The front panel LED(s) flashing indicates hardware diagnostic failure or issue detected during POST.
? What Causes This
Faults in critical system components like CPU, memory, power supply, or motherboard.
✓ How to Fix It
Refer to the Maintenance and Service Guide for fault code analysis and troubleshooting procedures.
Source: page 26 of the official manual
From the manual
This error code appears in:
HP Z240 Tower Workstation