5 Troubleshooting SMA America, LLC
24 SB6-11TLUS-BA-eng-BUS121211 User Manual
Glows for 5 s,
goes out for 3 s,
blinks 6 times
High leakage current
The leakage current from the inverter and the
PV array is too high.
Corrective measures:
• Contact installer.
Glows for 5 s,
goes out for 3 s,
blinks 7 times
Change of differential current
The inverter has detected a change of
differential current. The inverter is no longer
feeding into the power distribution grid.
Corrective measures:
• Contact installer.
B + C Red LED +
yellow LED
Glowing Ground fault
The inverter has detected a ground fault. The
inverter will not restart automatically after
detecting a ground fault.
Corrective measures:
• Contact installer.
A + B + C All LEDs Glowing Initialization
The DC input current available from the PV
array is not sufficient for normal operation.
Data transmission is not possible during
initialization.
A + B + C All LEDs Not glowing Standby
The inverter is in standby mode. The input
voltage is too low for operation.
Position Description Status Explanation
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