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4 interferences, Interferences – SMA SC 400HE User Manual

Page 80

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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

This manual is related to the following products: