Sma SUNNY BOY Manual de usuario descargar pdf (Pagina 32)

Measurement Channels and Messages SMA Solar Technology AG

32 SB_SMC-BEN092840 User Manual

6.3 Error messages

If an error occurs, the Sunny Boy and Sunny Mini Central generate a message which depends on the

operating mode and the error detected.

Message Description and corrective measure

!PV-Overvoltage!

!DISCONNECT DC!

Overvoltage at DC input.

Corrective measures

• Please contact your installer who will immediately disconnect the

PV generator from the inverter! Otherwise, the inverter may be

damaged.

• Your installer should check the DC voltage, as described in the

inverter installation guide.

ACVtgRPro The 10-minute-average grid voltage is no longer within the permissible

range. This can be caused by either of the following:

• The grid voltage at the connection point is too high.

• The grid impedance at the connection point is too high.

The inverter disconnects to assure compliance with the voltage quality of

the grid.

Corrective measures

• Please contact your installer or the SMA Solar Technology

Serviceline.

Bfr-Srr Internal measurement comparison fault or hardware defect.

Corrective measures

• Please contact your installer or the SMA Solar Technology

Serviceline if this problem recurs.

CAN Internal communication fault.

Corrective measures

• Please contact your installer or the SMA Solar Technology

Serviceline if this problem recurs.

Check L-N-PE L and N are swapped on the AC connection or PE is not connected (only

applies for Sunny Mini Central models 9000TL / 1000TL / 11000TL).

Corrective measures

• Please contact your installer to check the AC connection.

Check Varistor At least one of the varistors is defective (only applies to Sunny Mini

Central models 9000TL / 1000TL / 11000TL).

Corrective measures

• Have your installer check the function of the varistors, as described

in the inverter installation guide.

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Sma SUNNY BOY Manual de usuario Pagina 32