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SMA Solar Technology AG
Figure 8: Operating status LEDs
LED
LED 1, green
LED 2, green
LED 3, orange
LED 4, red
5.3 Closing and Opening the Sunny String-Monitor
Opening the Sunny String-Monitor
1. Turn all screw plugs 1/4 counterclockwise with a
screwdriver. Push lightly while doing this.
2. Remove the cover.
Technical Description
L+
L+
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
Function
Digital input, optional for anti-theft protection
Overvoltage protector
Data transfer
Failure of the control board
1 2 3 4 5 6
1
2
3
4
L-
L-
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
5 Electrical Connection
SSM-TEN103132
23
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