GoodWe Technologies Co., Ltd. · An established brand in the UK. 34 codes across 2 product families, each taken from the manufacturer’s manuals. GoodWe Technologies Co., Ltd. technical support ↗
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34 codes
| Code | Meaning | Stops? | Homeowner check? |
|---|---|---|---|
| 00 | GFCI Check Timeout - GFCI value too high during check. | Yes | Yes |
| 01 | AC HCT Check Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 02ETU | AFCI Fault - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 04 | DCI Consistency Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 06 | GFCI Consistency Failure / Device check failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 07 | Relay Device Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 08 | AC HCT Failure - AC output current sensor failure | Yes | Yes |
| 09 | Utility Loss - Grid power failure | Yes | Yes |
| 10 | Ground I failure - Neutral & ground not well connected on AC terminals | Yes | Yes |
| 11 | DC bus high - Internal DC bus voltage too high | Yes | Yes |
| 12 | Internal Fan Failure (Back-Up Over Load for ES) - ES: backup loads exceed max output | Partly | Yes |
| 13 | Over Temperature - Ambient too high for extended period | Yes | Yes |
| 14 | Auto test Failure - Auto test failure (Italy-type self-test). | Not stated | Yes |
| 14ETU | Phase order Fault - AC phases incorrectly connected (three-phase ET). | Yes | Yes |
| 15 | PV overvoltage - String open-circuit voltage higher than max DC input voltage. | Yes | Yes |
| 17 | Vac Failure - Grid power failure | Yes | Yes |
| 22 | Fac Consistency Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 23 | Vac Consistency Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| 25 | Relay check failure - Neutral & ground not well connected | Yes | Yes |
| 29 | Fac Failure - Grid power failure | Yes | Yes |
| 30 | EEPROM R/W Failure - Intermittent external factor | Not stated | Yes |
| 31 | Internal Communication Failure - Intermittent fault from external factors (e.g. magnetic fields) or possible faulty internal component. | Yes | Yes |
| afci-fault | AFCI-Fault | Yes | Yes |
| DCI | DC Injection high - DC component in AC output above country limit. | Yes | Yes |
| fac-failure | Fac Failure | Yes | Yes |
| ground-i-failure | Ground I Failure | Yes | Yes |
| ISO | ISO failure (Isolation Failure) - PV ground cable not/poorly connected | Yes | Yes |
| isolation-failure | Isolation Failure | Yes | Yes |
| no-display | No display | Yes | Yes |
| over-temperature | Over Temperature | Yes | Yes |
| pv-over-voltage | PV Over Voltage | Yes | Yes |
| relay-check-failure | Relay-Check Failure | Yes | Yes |
| utility-loss | Utility Loss | Yes | Yes |
| vac-failure | Vac Failure | Yes | Yes |