S003-001-lg -

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

: Plug the unit back in with no speakers attached . s003-001-lg

: 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. If the error disappears, one of your speakers

: In LG's error nomenclature, "S" often relates to "Sound" or "Speaker" subsystems, distinguishing it from power or thermal protection. Helpful Troubleshooting Steps Check for any stray copper strands that might

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

When an LG audio system (such as a soundbar, home theater, or receiver) displays "S-PROTECT" or "S-PROTECTION," it indicates that the unit's internal protection circuit has been triggered to prevent damage to the amplifier.