SMA SB 3300TL - Manual (Page 22)

Device Description SMA Technologie AG
Page 18 SB3300TL-11:FE1905 Operating Instructions
Input Voltage (PV-Generator) too high
When the failure occurs, the yellow failure LED is on for five seconds and then starts
the blinking code by staying off for three seconds and then blinking four times in short
intervals. The code is sent three times.
The Sunny Boy indicates that the input voltage is too high. The voltage of the PV-gen-
erator exceeds 750 V DC the respectively admissible voltage!
Immediately disconnect the PV-generator from the Sunny Boy
3300TL. Too high voltage may lead to irrepairable damages!
Have your installer check your plant configuration.
5 s 3 s 1 s 1 s 1 s 1 s
LED an LED aus
The yellow LED is blinking
4 times in short intervals
The signal is repeated 3 times and
then starts from the beginning