ST130 | Error E.LU – What does it mean and what can be done?
If the error message E.LU appears on the ST130 inverter display, it indicates an undervoltage fault.
| Possible cause | Possible solution |
| Temporary loss of input voltage | Acknowledge the error |
| Input voltage outside inverter range | Check mains connection |
| Incorrect DC bus voltage | Contact technical support |
| Rectifier not working properly | Contact technical support |
| Output circuit malfunction | Contact technical support |
| Inverter disconnected from power supply | No action required |