SMA SUNNY ISLAND 4.4M Operating Manual page 151

SMA Solar Technology AG
Event number Message, cause and corrective measures
1704
Generator operation not possible
Generator operation not possible
Corrective measures:
1705 No valid network voltage for requested network op.
Voltage of the external energy source is not within the valid thresholds for connection.
Corrective measures:
1706
System failure
A contactor in the Multicluster-Box is not functioning correctly.
Corrective measures:
1707
Stand-alone grid
An overvoltage has occurred at connection AC1 of the Sunny Island.
Corrective measures:
1708
Stand-alone grid
An overfrequency has occurred at connection AC1 of the Sunny Island.
Corrective measures:
Operating Manual
• Reset the off-grid system. For this, disconnect all loads, AC sources, generator and DC
sources. Open the battery fuse load-break switch. Wait ten minutes and restart the off-
grid system. Wait until all AC sources are feeding into the stand-alone grid and all loads
are connected before connecting the generator.
• Contact the Service (see Section 19, page 189).
• Acknowledge the error (see Section 15.3, page 174).
• Contact the Service (see Section 19, page 189).
• Reset the off-grid system. For this, disconnect the off-grid system and restart.
• Start the installation assistant and reconfigure multicluster operation
• Contact the Service (see Section 19, page 189).
• Ensure that the Sunny Island is functional. For this, disconnect all AC sources and loads
from the Sunny Island and restart the Sunny Island.
• Find the cause of the overvoltage through measurement and step-by-step connection of
the AC sources and loads.
• Ensure that the Sunny Island is functional. For this, disconnect all AC sources and loads
from the Sunny Island and restart the Sunny Island.
• Find the cause of the overvoltage through measurement and step-by-step connection of
the AC sources and loads.
15 Troubleshooting
SI44M-80H-12-BE-en-10 151