Fault - 7 - OV-DC: DC voltage is too high Thomas Garcia Modified on: Mon, 7 Jan, 2019 at 9:50 AM Cause-Inverter detects High DCVSolution-Test-DC switch OFFCheck DC at the inverter test pointsIf DCV is high, too many panels in the string Test-DC Switch ONCheck LCD reading, may be a bad measurement circuitReplace inverter