SMA SC 500HE-20 - Manual (Page 80)

10 Troubleshooting SMA Solar Technology AG
80 SCxxxHE-20-BE-BEN111210 Operating Manual
64xx Cause of error
Internal error of the Sunny Central.
Error message 6404
< Overcurrent grid (HW) >
Error message 6405
< Overvoltage auxiliary circuit (HW) >
Error message 6410
< Board supply failure >
Error message 6417
< Board supply failure 15V >
Error message 6418
< Overtemperature power circuit (HW) >
Error message 6422
< Undefined HW-failure (HW) >
Error message 6423
< Overtemperature switch >
Error message 6425
< Synchronise failure >
Error message 6427
< DC Voltage sensor failure >
Error message 6441
< Insulation monitoring configuration error >
Error message 6443
< Undefined DSP-Error (SW) >
Measure
< Check inverter circuit >
– Contact the SMA Service Line.
6440 Error message 6440
< Transformer prot. Triggered >
Measure
< Check external transformer >
Error no. Cause of error, error message and corrective measure