GoodWe · PV inverters · GoodWe ET G2 6–15 kW (three-phase hybrid inverter)
F59Parallel CAN Comm Abnormal
Name in the manufacturer's documentation (user manual): Parallel CAN Comm Abnormal
[1]
In plain words (editorial)
Parallel CAN communication abnormal – a parallel communication cable is loose or one of the inverters is offline. The manual says to check that all units are powered on.
When to call a service technician: If all inverters are on and the code stays, contact your installer.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Possible causes (source text)
- Parallel communication cable is not securely connected, or a machine is offline.[2]
Steps given by the manufacturer (source text)
- Check whether all machines are powered on and whether the parallel communication cable is securely connected.[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. 210 official manufacturer document quote verified
- [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. 210 official manufacturer document quote verified
Parallel communication cable is not securely connected, or a machine is offline
- [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. 210 official manufacturer document quote verified
Check whether all machines are powered on and whether the parallel communication cable is securely connected