What to do if my Omnik Omniksol-17k-TL2 shows a GFCI Device Fault?
- CCurtis EstradaAug 20, 2025
If your Omnik Inverter displays a 'GFCI Device Fault', it could be due to an issue with the inverter's GFCI detector. First, try restarting the inverter to see if that clears the fault. If the problem continues, try re-flashing the software. If neither of these steps works, the part or the entire inverter may need to be replaced.







