GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F55Back-up Output Overload
Name in the manufacturer's documentation (user manual): Back-up Output Overload
[1]
In plain words (editorial)
The back-up (off-grid) output is overloaded – the protection prevents continuous overload. The manual says to turn off some loads to reduce the off-grid output power.
When to call a service technician: If it repeats with fewer loads, contact your installer.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Steps given by the manufacturer (source text)
- Turn off some off-grid loads to reduce the inverter's off-grid output power.[2]
Notes from the documentation
- Prevent continuous Overload output of the inverter.[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. 210 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. 210 official manufacturer document quote verified
Turn off some off-grid loads to reduce the inverter's off-grid output power
- [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. 210 official manufacturer document quote verified
Prevent continuous Overload output of the inverter