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GoodWe · GoodWe ET G2 6–15 kW (three-phase hybrid inverter) · Operation

What the GoodWe ET G2 indicators mean (power, BACK-UP, communication)

Summary (editorial)

The indicators show power, self-check, grid operation, back-up output and communication 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. Power indicator yellow solid: the inverter is powered on and in standby mode (colour from page image)[1]
  2. Power indicator green blinking: the inverter is starting and in self-check mode (from page image)[2]
  3. Power indicator green solid: the inverter is operating normally in grid-connected power generation or off-grid mode (from page image)[3]
  4. Power indicator red blinking: BACK-UP output Overload (from page image)[4]
  5. Power indicator red solid: System Fault (from page image)[5]
  6. Power indicator off: the inverter is powered off[6]
  7. BACK-UP indicator yellow solid: grid abnormal, and the inverter BACK-UP port is supplying power normally (from page image)[7]
  8. BACK-UP indicator green solid: grid normal, and the BACK-UP port is supplying power normally; off: no power supply at the BACK-UP port (from page image)[8]
  9. Communication indicator yellow solid: the inverter has not established a connection with the communication terminal (from page image)[9]
  10. Communication indicator green blinking: communication fault between the communication terminal and the cloud server (from page image)[10]
  11. Communication indicator green solid: inverter monitoring is normal; off: the inverter monitoring module is not started (from page image)[11]

⚠ 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 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. 168 official manufacturer document quote verified the inverter is powered on and in standby mode.
  2. [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. 168 official manufacturer document quote verified the inverter is starting and in self-check mode.
  3. [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. 168 official manufacturer document quote verified the inverter is operating normally in grid
  4. [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. 168 official manufacturer document quote verified back-up output overload.
  5. [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. 168 official manufacturer document quote verified system fault.
  6. [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. 168 official manufacturer document quote verified the inverter is powered off.
  7. [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. 168 official manufacturer document quote verified grid abnormal, and the inverter back-up port is
  8. [8] 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. 168 official manufacturer document quote verified no power supply at the back-up port.
  9. [9] 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. 169 official manufacturer document quote verified the inverter has not established a connection
  10. [10] 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. 169 official manufacturer document quote verified communication fault between the
  11. [11] 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. 169 official manufacturer document quote verified inverter monitoring is normal.