Displays and Messages SMA America, LLC
68 SB50US-80US-IA-en-36 Installation Manual
High DC Input Voltage
The yellow LED lights up for 5 seconds, goes out for 3 seconds, then flashes 4 times. This sequence is
repeated 3 times. If the status does not change, the flashing code repeats itself.
The inverter has detected a DC input voltage that is too high for safe operation.
Inverter Interference
The yellow LED lights up for 5 seconds, goes out for 3 seconds, then flashes 5 times. The message is
repeated 3 times. If the status does not change, the flashing code repeats itself.
The inverter has detected an internal fault that interrupts standard operation. The inverter must be
maintained by a qualified service technician. Contact SMA.
NOTICE
Damage to the inverter due to high DC input voltage.
• Disconnect the inverter from the PV array immediately.
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