| Sun Low W001 | | Input voltage under threshold. Input voltage under threshold (when off) |
| Input OC | E001 | Input over current |
| Input Uv W002 | | Input under voltage |
| Input OV | E002 | Input over voltage |
| Int. Error | E003 | No prarameters |
| Bulk OV | E004 | Bulk over voltage |
| Int. Error | E005 | Communication error |
| Out OC | E006 | Output over current |
| Int. Error | E007 | IGBT Sat |
| Sun Low W011 | | Bulk under voltage |
| Int. Error | E009 | Internal error |
| Grid Fail W003 | | Grid fail Wrong grid parameters |
| Int. Error | E010 | Bulk low |
| Int. Error | E011 | Ramp Fail |
| DC/DC Fail | E012 | DCDC error revealed by inverter. DCDC fault detected by inverter |
| Wrong Mode | E013 | Wrong input setting (singed instead of dual). Wrong input setting (single instead of dual channel) |
| Over Temp. | E014 | Over temperature. Internal temperature too high. |
| Cap. Fault | E015 | Bulk capacitor fail. Bulk capacitor fault. |
| Inv. Fault | E016 | Inverter fail revealed by DCDC. Inverter fault detected by DCDC. |
| Int. Error | E017 | Start timeout |
| Ground F. | E018 | I leak fail. Leakage current fault |
| Int. Error | E020 | DCDC relay fail. DCDC relay fault. |
| Int. Error | E021 | Inverter relay fail. Inverter relay fault. |
| Int. Error | E022 | Autotest timeout |
| Int. Error | E023 | DC injection error |
| Grid OV W004 | | Output over voltage |
| Grid UV W005 | | Output under voltage |
| Grid OF W006 | | Output over frequency |
| Grid UF W007 | | Output under frequency |
| Z Grid HI W008 | | Z grid out of range. Impedence outside range. |
| Int. Error | E024 | Unknown error. Internal error. |
| | E025 | Riso low (log only). Low insulation resistance (log only) |
| Int. Error | E026 | VRef error. Wrong reference voltage (VRef) |
| Int. Error | E028 | Fgrid measures fault. Grid frequency (FGrid) misreading |
| Int. Error | E029 | Zgrid measures fault |
| Int. Error | E030 | Ileak measures fault. Leak current (ILeak) misreading | |
| Int. Error | E031 | Wrong V Measure. Voltage (V) misreading |
| Int. Error | E032 | Wrong I Measure. Current (I) misreading |
| Fan Fail W010 | | Fan Fail (no disconnection). Fan faulty (log only) |
| Int. Error | E033 | Under temperature. Internal Temperature |
| | E034 | Interlock fail (not used) |
| | E035 | Remote off. Remote power off. |
| | E036 | Vout Avg. Average output voltage outside range |
| W012 | | Clock battery low (no disconnection). Clock battery low (not operating) |
| W013 | | Clock failure (no disconnection). Clock faulty (not operating) |
