S003-001-lg May 2026

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

: Unplug all speaker wires from the back of the unit. Check for any stray copper strands that might be touching other terminals or the metal chassis. s003-001-lg

: Ensure the unit has enough space for airflow. Overheating can sometimes trigger protection modes to prevent a fire hazard. For official repair support or to find a

: In LG's error nomenclature, "S" often relates to "Sound" or "Speaker" subsystems, distinguishing it from power or thermal protection. Helpful Troubleshooting Steps s003-001-lg

If the error disappears, one of your speakers or its wire is faulty.