Failure Search SMA Solar Technology AG
66 SMC6-8TL-IEN101040 Installation Guide
ROM The inverter's firmware is faulty.
Corrective measures
• Contact the SMA Serviceline
SD-DI-Wandler The inverter has detected an insulation fault on the DC side.
Corrective measures
• Check the plant insulation.
• Check the plant for ground faults as described in section
9.3.1”Checking the PV Generator for a Ground Fault” (page68).
SD-Imax The inverter has detected an overcurrent on the AC side. It disconnects
from the grid for safety reasons and then attempts to reconnect to the
grid.
Corrective measures
• If this fault occurs often, contact the SMA Serviceline
SD-WR-Bruecke The inverter has detected a fault in the power electronics. It disconnects
from the grid and then attempts to reconnect to the grid. There could also
be a ground fault in the PV generator.
Corrective measures
• Check for ground faults in the PV generator as described in section
9.3.1”Checking the PV Generator for a Ground Fault” (page68).
• If this fault continues to occur, contact the SMA Serviceline
Shutdown Temporary inverter fault.
Corrective measures
• Contact the SMA Serviceline
STM Timeout Internal program run fault.
Corrective measures
• If this fault occurs often, contact the SMA Serviceline
Message Description and corrective measure
To Next Page
Loading...
