SMA Sunny Boy 3800U, Installation Manual

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Displays and Messages
7-10 SMA America SB3800U-12:SE2006
Inverter Fault
The yellow LED is on for 5 seconds, remains off for 3 seconds and then blinks 5 times.
The 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.
Contact SMA America for assistance.
5 s 3 s 1 s 1 s 1 s 1 s
LED an
LED aus
The yellow LED is blinking
5 times in short intervals
The signal is repeated 3 times and
then starts from the beginning