S003-001-lg

: 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 the error disappears, one of your speakers or its wire is faulty. 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. : This usually occurs due to an internal short circuit