GoodWe Error Codes
Tap any code for its meaning, likely cause in Pakistani conditions, and what to do — including when NOT to touch anything.
| Code | Meaning | Severity |
|---|---|---|
| 09 | GoodWe Error 09 / 17 / 29 — Utility Loss (no grid detected) | diy |
| 10 | GoodWe Error 10 — Ground I Failure (earth leakage current) | tech |
| 12 | GoodWe Error 12 — Internal Fan Failure / Back-Up Over Load | tech |
| 13 | GoodWe Error 13 — Over Temperature | diy |
| 15 | GoodWe Error 15 — PV Overvoltage (string voltage too high) | DANGER |
| 25 | GoodWe Error 25 — Relay Check Failure | tech |
| 26 | GoodWe Error 26 — Battery Licence Fault | tech |
| ISO-Failure | GoodWe ISO Failure — PV insulation resistance too low | tech |