S003-001-lg Direct
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.
: Ensure the unit has enough space for airflow. Overheating can sometimes trigger protection modes to prevent a fire hazard. s003-001-lg
If your device is displaying this code or a related "PROTECT" message, follow these steps to isolate the issue: When an LG audio system (such as a
: This usually occurs due to an internal short circuit . This can be caused by: Frayed or touching speaker wires. A faulty speaker drawing too much power. Internal component failure within the amplifier circuit. If your device is displaying this code or
: 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.
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

