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critical HP

Error Code Red flashing LED two times, once every second separated by two-second pause followed by two beeps stopping after fifth iteration but LEDs continue flashing.

System malfunction possibly due to thermal shutdown from processor overheating.

? What Causes This

Fans stuck, cable improperly seated into system board header.

✓ How to Fix It

1. Ensure correct fan installation and seating of cables; replace faulty components as needed.

Source: page 79 of the official manual

From the manual

Manual page 79 — HP error Red flashing LED two times, once every second separated by two-second pause followed by two beeps stopping after fifth iteration but LEDs continue flashing.

This error code appears in:

HP Prodesk 400 G3 Desktop Mini PC