Fault - 7 - OV-DC: DC voltage is too high

Thomas Garcia

Modified on: Tue, 8 Jan, 2019 at 6:38 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