GoodWe · PV inverters · GoodWe ET 5–10 kW (three-phase hybrid inverter)
Utility Phase FailureThe sequence of the on-grid wire is incorrect
Name in the manufacturer's documentation (user manual): The sequence of the on-grid wire is incorrect
[1]
In plain words (editorial)
The phase sequence of the grid wiring is wrong – the inverter detected that the L2 and L3 cables are connected in reverse order.
When to call a service technician: Have your installer or electrician correct the wiring.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Detection conditions (source text)
- The inverter has detected that the phase angles of L2 and L3 are reversed[2]
Possible causes (source text)
- The L2 and L3 cables are connected in reverse order[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 Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 35 official manufacturer document quote verified
Utility Phase Failure
- [2] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 35 official manufacturer document quote verified
the phase angles
- [3] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 35 official manufacturer document quote verified
the l2 and l3 cables are connected