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GoodWe · GoodWe ET 5–10 kW (three-phase hybrid inverter) · Procedure

How to read an error and safely restart a GoodWe ET inverter

Summary (editorial)

The error is shown in the app or on the indicators. The manual describes the safe order for switching the system off and on.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

From the manufacturer's documentation (English source wording, with page)

  1. Error messages displayed on PV Master App or reported by e-mail[1]
  2. FAULT LED ON = fault has occurred[2]
  3. To shut down during an event turn off the inverter DC switch and the battery DC breaker[3]
  4. After rectification turn on the inverter DC switch and the battery DC breaker[4]
  5. Before electrical work disconnect DC and AC for at least 5 minutes[5]
  6. Inverter surface can exceed 60 °C[6]
  7. Utility Loss: turn off AC breaker and turn on again in 5 mins[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. [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 will be displayed on PV Master App or reported by e-mail
  2. [2] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 8 official manufacturer document quote verified ON = Fault has occurred
  3. [3] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 34 official manufacturer document quote verified you shall turn off the inverter DC switch and the battery DC breaker
  4. [4] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 34 official manufacturer document quote verified you shall turn on the inverter DC switch and the battery DC breaker
  5. [5] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 6 official manufacturer document quote verified for at least 5 minutes to make sure
  6. [6] GoodWe Hybrid Inverter ET Series | ET Plus Series – User Manual V1.1 (2021-02-10) (V1.1-2021-02-10) , p. 6 official manufacturer document quote verified The temperature of the inverter surface can exceed 60℃ during operation
  7. [7] 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 please try to turn off AC breaker and turn on again in 5 mins