Displays and messages SMA America, LLC
68 SB30-40US-IUS103030 Installation Guide
High DC input voltage
The yellow LED is on for 5 seconds, remains off for 3 seconds and then blinks 4 times. This code is
repeated 3 times. If the condition remains the code will continue to be sent.
The inverter has detected a DC input voltage that is too high for safe operation.
Inverter fault
The yellow LED is on for 5 seconds, remains off for 3 seconds and then blinks 5 times. This code is
repeated 3 times. If the condition remains the code will continue to be sent.
The inverter has encountered an internal fault that prohibits normal operation and will most likely
require servicing.
NOTICE
Damage to the inverter due to high DC input voltage.
• Disconnect the inverter from the PV array immediately.
• Test the DC voltage at the DC disconnect switch before energizing the inverter.
If problems occur contact SMA for assistance.
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