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

GoodWe ET: what the indicators on the inverter mean

Summary (editorial)

The indicators show system, back-up, communication and fault states, as described in the manual.

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

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

  1. SYSTEM: on = system is ready; blink = system is starting up; off = system is not operating[1]
  2. BACK-UP: on = back-up is ready / power available; off = back-up is off / no power available[2]
  3. BATTERY: on = charging; blink 1 = discharging; blink 2 = battery is low / SOC is low; off = battery disconnected / not active[3]
  4. GRID: on = grid is active and connected; blink = grid is active but not connected; off = grid is not active[4]
  5. ENERGY: on = consuming energy from grid / buying; blink 1 = supplying energy to grid / zeroing; blink 2 = supplying energy to grid / selling; off = grid not connected or system not operating[5]
  6. COM: on = BMS and meter communication OK; blink 1 = meter OK, BMS fail; blink 2 = BMS OK, meter fail; off = BMS and meter communication fail[6]
  7. WiFi: on = connected / active; blink 1 = WiFi system resetting; blink 2 = WiFi not connect to router; blink 4 = WiFi server problem; off = WiFi not active[7]
  8. FAULT: on = fault has occurred; blink1 = overload of back-up output / reduce load; blink4 = CT wiring fault; off = no fault[8]

⚠ 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. 8 official manufacturer document quote verified on = system is ready blink = system is starting up system off = system is not operating
  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 = back-up is ready / power available
  3. [3] 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 blink 2 = battery is low / soc is low battery off = battery is disconnected / not active
  4. [4] 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 = grid is active and connected blink = grid is active but not connected grid off = grid is not active
  5. [5] 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 = consuming energy from grid / buying
  6. [6] 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 blink 1 = meter communication ok, bms communication fail
  7. [7] 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 blink 2 = wifi not connect to router wifi blink 4 = wifi server problem
  8. [8] 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 blink1 = overload of back-up / output / reduce load blink4 = ct wiring fault fault off = no fault