Displays and messages SMA America, LLC
66 SB30-40US-IUS103030 Installation Guide
8.2 LED fault indicators
Ground fault
The inverter has detected a ground fault in the PV system and has disconnected from the grid. The
ground fault must be located and fixed before the inverter will resume normal operation. Refer to
section 9”Troubleshooting” (page77) for information on solving PV array ground faults. The inverter
will not restart automatically.
All GFDI fuses are disabled in turbine mode.
Cleared GFDI fuse
The GFDI fuse located in the fuse holder on the circuit board of the inverter has been cleared or is not
present. This fuse is used to protect the PV system in the event of an array ground fault. Troubleshoot
the PV array for ground faults prior to replacing this fuse.
CAUTION
Risk of fire du to incorrectly dimensioned fuse.
Injuries due to fire.
For continous protection, only replace fuses with fuses of same type and size.
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