ℹ
info Logitech
Status LED flashes once in orange
Sidetone has been disabled.
? What Causes This
Mute button double-pressed when Sidetone was enabled.
ⓘ What This Means
No action required. Sidetone is now off.
Source: page 9 of the official manual
From the manual
This error code appears in:
Logitech G435 Wireless Gaming Headset