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Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.
Sorry to hear you’re having trouble, Michael.
Which cords/cables are you using here?
As an initial step, can you please hold the power button on front for 10+ seconds to reset it, and let me know if the same error message persists, or if you ever see anything else on the panasonic display such as u71, etc