GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F156Micro-grid Overload Warning
Name in the manufacturer's documentation (user manual): Micro-grid Overload Warning
[1]
In plain words (editorial)
Micro-grid overload warning – the input current on the back-up terminal is too high. An occasional occurrence requires no action.
When to call a service technician: If it occurs frequently, contact your dealer or GoodWe after-sales.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Possible causes (source text)
- Backupterminal input current too high[2]
Steps given by the manufacturer (source text)
- Occasional occurrence requires no action; if this alarm occurs frequently, please contact your dealer or after-sales service center.[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. 234 official manufacturer document quote verified
F156
- [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. 234 official manufacturer document quote verified
backupterminal input current too high
- [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. 234 official manufacturer document quote verified
Occasional occurrence requires no action; if this alarm occurs frequently, please contact your dealer or after-sales service center