!
error HP
Error Code Red LED 1 blink every second followed by a 2 second pause
CPU thermal shutdown detected.
? What Causes This
High temperature that exceeds the cooling system capacity.
✓ How to Fix It
- Verify and clean fans, ventilation area around the unit.
- Check CPU fan operation and reseat if necessary.
- If issue persists, contact service personnel.
Source: page 3 of the official manual
From the manual
This error code appears in:
HP Elitedesk 800 G1 Small Form Factor PC