GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F104Battery2 Precharge Failure
Name in the manufacturer's documentation (user manual): Battery2 Precharge Failure
[1]
This page only quotes the original English documentation. A plain-language explanation has not been written yet, so the page is not indexed by search engines.
For technicians
Possible causes (source text)
- Battery2Precharge Circuit Failure (precharge resistor burnt out, etc.)[2]
Steps given by the manufacturer (source text)
- Check whether the precharge circuit is in good condition. After only the battery is powered on, check whether the Battery Voltage and bus voltage are consistent. If they are not consistent, 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. 222 official manufacturer document quote verified
F104
- [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. 222 official manufacturer document quote verified
Battery2Precharge Circuit Failure (precharge resistor burnt out, etc.)
- [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. 222 official manufacturer document quote verified
Check whether the precharge circuit is in good condition. After only the battery is powered on, check whether the Battery Voltage and bus voltage are consistent. If they are not consistent, contact your dealer or after-s…