SMA America, LLC 5 Troubleshooting
User Manual SB30-40-BA-eng-BUS121010 23
Glows for 5 s,
goes out for 3 s,
blinks 4 times
High DC input voltage
The inverter has detected a DC input voltage
that is too high for safe operation.
Corrective measures:
• Contact installer.
Glows for 5 s,
goes out for 3 s,
blinks 5 times
Disturbance
The inverter has detected an internal error that
interrupts normal operation.
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 inverter is initializing. The available DC
input current of the PV array is insufficient for
feed-in operation. Data transmission is not
possible during initialization.
A + B + C All LEDs None glowing Standby
The inverter is in standby mode. The input
voltage is too low for operation.
Position Description Status Explanation
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