SMA America, LLC 5 Troubleshooting
User Manual SB6-11TLUS-BA-eng-BUS121211 23
C Yellow LED Glowing Control system fault
The inverter is no longer feeding into the
power distribution grid.
Corrective measures:
• Contact installer.
Blinking AFCI self-test
The inverter is performing an AFCI self-test.
Glows for 5 s,
goes out for 3 s,
blinks twice
Grid failure
The power distribution grid has failed or the
AC miniature circuit-breaker has tripped.
Corrective measures:
• Ensure that there is no power distribution
grid failure.
• If there is no power distribution grid
failure, contact the installer.
Glows for 5 s,
goes out for 3 s,
blinks 4 times
DC overvoltage
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 fault that
interrupts normal operation.
Corrective measures:
• Contact installer.
Position Description Status Explanation
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