- Error code
- 6502
- Category
- Overtemperature
- Manufacturer
- SMA
- Models
- Sunny Tripower (STP)
1What the error means
Self-diagnosis — overtemperature: the temperature inside the inverter exceeded the limit. The inverter reduces power or stops until it cools down.
2Possible causes
- Dirty or blocked fans and heat sinks
- 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.
Same code group
Code 6502 belongs to the same group as 6501 — they share the same cause and the same remedy.
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.