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"Insulation Resist" error message on SB3000TL

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  • "Insulation Resist" error message on SB3000TL

    I have a solar system that was installed on my house in San Diego in 2004.

    The original system was a Sunny Boy 2500 inverter and 42 Unisolar UL64 panels, split into 2 arrays (24 panels on slopped, south facing & 18 panels on 2 story flat roof).



    In January 2016, I replaced the SB 2500 (damaged when rain entered the cabinet) with a SB 3000TL.

    The system has always produced 12 to 14 kwh/day during summer months.



    [FONT=Calibri][SIZE=3]Last week (Wednesday) I noticed error message,
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