ℹ
info HP
Status White Power LED flashes every two seconds
The computer is in Suspend to RAM mode (some models) or normal Suspend mode.
? What Causes This
Not set as active, no specific cause mentioned.
ⓘ What This Means
No action required. Press any key or move the mouse to wake the computer.
Source: page 34 of the official manual
From the manual
This error code appears in:
HP T630 Thin Client