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I have an old StarInverter PVP 2800 XV grid connected that was installed by the previous owner in 2006 when the house was built. It seems to be dying. the little display has gone from 1800 to 1300 on a sunny day. I think some of the panels are gone or the inverter is gasping for air. So. Can I...

Thanks. doing research now. Just wanted to make sure I could do it in a little at a time.