For official repair support or to find a local service center, you can use the LG Support Locator to book a technician. How to Fix S Protection on LG Sound Systems | Expert Q&A
If the error persists even with no speakers connected, the issue is likely an in the amplifier board that requires professional repair. s003-001-lg
: In LG's error nomenclature, "S" often relates to "Sound" or "Speaker" subsystems, distinguishing it from power or thermal protection. Helpful Troubleshooting Steps For official repair support or to find a
: Ensure the unit has enough space for airflow. Overheating can sometimes trigger protection modes to prevent a fire hazard. s003-001-lg