- Error code
- FS 34
- Category
- Communication
- Manufacturer
- KACO
1What the error means
Communication error in the internal data transfer between the boards of the inverter.
On the display or in the monitoring software it appears as FS 34.
2Possible causes
- Fault on the internal communication bus between the boards
- Loose internal wiring
- Damage from overvoltage
3What to do
- One restart with AC and DC switched off.
- If it returns, the boards need to be checked in our lab.
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.