GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F52Leakage Current (GFCI) Multiple Fault Shutdown
Name in the manufacturer's documentation (user manual): Leakage Current (GFCI) Multiple Fault Shutdown
[1]
In plain words (editorial)
The inverter shut down after repeated leakage current (GFCI) faults. The manual says to check whether the PV string-to-ground impedance is too low (and notes that under North American rules automatic recovery is not allowed after multiple faults).
When to call a service technician: Have your installer check the PV insulation.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Steps given by the manufacturer (source text)
- Please check whether the PV string-to-ground impedance is too low.[2]
Notes from the documentation
- North American safety regulations require that after multiple faults, automatic recovery is not allowed; manual reset is required or wait24hbefore recovery[3]
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
- [1] GoodWe Residential Smart Inverter Solutions – ET G2 6-15K (+ LX F / LX D) – User Manual V2.2 (2026-09-30) (V2.2-2026-09-30) , p. 209 official manufacturer document quote verified
- [2] GoodWe Residential Smart Inverter Solutions – ET G2 6-15K (+ LX F / LX D) – User Manual V2.2 (2026-09-30) (V2.2-2026-09-30) , p. 209 official manufacturer document quote verified
Please check whether the PV string- to-ground impedance is too low
- [3] GoodWe Residential Smart Inverter Solutions – ET G2 6-15K (+ LX F / LX D) – User Manual V2.2 (2026-09-30) (V2.2-2026-09-30) , p. 209 official manufacturer document quote verified
North American safety regulations require that after multiple faults, automatic recovery is not allowed; manual reset is required or wait24hbefore recovery