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 DCV

Solution-

Test-DC switch OFF
Check DC at the inverter test points
If DCV is high, too many panels in the string
Test-DC Switch ON
Check LCD reading, may be a bad measurement circuit
Replace inverter