- Error code
- E023
- Category
- DC current at the output
- Manufacturer
- ABB / FIMER
1What the error means
DC injection fault. The inverter detected direct current at its output above the limit allowed by the standard.
On the display or in the monitoring software it appears as Int. Error.
2Possible causes
- Fault in the power bridge
- Fault in the current measuring circuit
3What to do
- Restart once.
- If it returns, repair is required — the standard does not allow operation with DC current fed into the grid.
4Repair by Aineas
You send the inverter to our lab in Thessaloniki. We diagnose it, inform you of the fault and the cost, and the repair starts only after you approve it. Every inverter is tested under simulated operating conditions before delivery.