- Error code
- 601–615
- Category
- Overtemperature
- Manufacturer
- KOSTAL
- Models
- Piko / Plenticore
1What the error means
Overtemperature. The temperature inside the inverter exceeded the limit and the power was reduced or operation stopped until it cools down. Codes 601 to 615 show which point overheated.
2Possible causes
- Dirty or blocked heat sinks and fans
- Installation in an enclosed space without ventilation or in direct sun
- Faulty fan or temperature sensor
3What to do
- Clean the heat sinks and check that the fans are turning.
- Ensure ventilation and shade at the installation site.
- If the fault appears with the unit cold, the sensor or the fan needs to be replaced.
Codes covered
This fault appears with the codes 601–615. The manufacturer documents them as a single fault — the number indicates the stage or the phase in which it was detected.
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.