2022 Fall Check Up PCSA Prepaid Heater package had 5 heat strips in it. Wire burned up going to heater #5. Removed wire and shut down heater #5. Other 4 heaters are operating normally. TXV on outdoor coil appears to be malfunctioning and will need to be replaced if system isn't going to be replaced. Valve core on discharge line also will need to be replaced soon.