SMA Sensorbox - Manual (Page 17)

SMA Solar Technology AG Device Overview
Installation Guide Sensorbox-IEN100914 17
5.3 Device Overview of the SMA Power Injector with Bluetooth
5.3.1 LED for the Power Supply
Position Designation Meaning
A "MODE" rotary switch for the operating mode
B "NetID" rotary switch for the NetID
C Bluetooth LED (blue) LEDs for connection quality
D Bluetooth LEDs (yellow)
Position Designation Meaning
A "Power 12V ≂ " connection for the plug-in power supply, polarity is arbitrary
B 2-pole plug connection for the alternate power supply, polarity is arbitrary
C "RDY" LED (green) LED for the power supply
D "DEVICE" connection for the Sunny SensorBox
E "COM" LED (yellow) LED for data communication
RDY LED (green)
Status
Meaning
Glows continuously supply voltage is ok, device is in operation
Flashes supply voltage is borderline, although the device is running,
stable operation is not guaranteed
Off supply voltage is either not available or too low, device is not
running