GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F167AC Terminal Overtemperature Warning
Name in the manufacturer's documentation (user manual): AC Terminal Overtemperature Warning
[1]
In plain words (editorial)
Warning: the AC terminals of the inverter are getting too hot. The manual names a poorly ventilated installation location, too high ambient temperature, or an abnormal internal fan, and says to improve ventilation and heat dissipation.
When to call a service technician: If ventilation and ambient temperature are normal, contact your installer or GoodWe after-sales.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Possible causes (source text)
Steps given by the manufacturer (source text)
- Check whether the inverter installation location is well ventilated and whether the ambient temperature exceeds the maximum allowable ambient temperature range.[5]
- If ventilation is absent or the Ambient Overtemperature occurs, improve the ventilation and heat dissipation conditions.[6]
- If ventilation and ambient temperature are normal, please contact the dealer or after-sales service center.[7]
⚠ 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. 236 official manufacturer document quote verified
F167
- [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. 236 official manufacturer document quote verified
The inverter installation location is not ventilated
- [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. 236 official manufacturer document quote verified
Ambient Overtemperature
- [4] 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. 236 official manufacturer document quote verified
Internal fan operation abnormal
- [5] 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. 236 official manufacturer document quote verified
Check whether the inverter installation location is well ventilated and whether the ambient temperature exceeds the maximum allowable ambient temperature range
- [6] 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. 236 official manufacturer document quote verified
If ventilation is absent or the Ambient Overtemperature occurs, improve the ventilation and heat dissipation conditions
- [7] 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. 236 official manufacturer document quote verified
If ventilation and ambient temperature are normal, please contact the dealer or after-sales service center