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error HP
Error Code Red LED flashes two times, once every second
Processor thermal protection activated: A fan may be blocked or not turning.
? What Causes This
Blocked fan or improper heat sink attachment
✓ How to Fix It
Ensure that the computer air vents are unblocked and the processor cooling fan is plugged in and running. Contact an authorized reseller or service provider if issues persist.
Source: page 35 of the official manual
From the manual
This error code appears in:
HP T630 Thin Client