4 interferences, Interferences – SMA SC 400HE User Manual
Page 80
7 Troubleshooting
SMA Solar Technology AG
80
SC4-63HE-BE-BEN103280
Operating Manual
7.4 Interferences
681
Text:
Reduction of effective power activated
Error type 1
Description:
The Sunny Central momentarily reduces the active power by means of an external target
value.
No.
Description
104
Error text:
No Grid Synchronization
Error type 3
Failure cause:
Left-hand rotating field or internal device fault.
Corrective measures:
• Check (right-hand) rotating field.
• Check whether all internal fuses are switched on.
• Contact the SMA Serviceline.
105
Error text:
Grid voltage too low
Error type 2
Failure cause:
Voltage on the AC side is below the permitted range.
Corrective measures:
• Check grid connections.
• Check grid stability.
106
Error text:
Grid voltage too high
Error type 2
Failure cause:
Voltage on the AC side is above the permitted range.
Corrective measures:
• Check grid connections.
• Check grid stability.
No.
Description