The Sound Bar volume suddenly increases, or does not turn off after pressing the power button.
Volume turn up again by itself after turning it down.
IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
The Sound Bar may be set to In-store Demo mode. Follow these steps to reinitialize (ALL RESET) the Sound Bar.
How to initialize (ALL RESET）the Sound Bar
If your model is not referenced below, check the Operating Instructions.