1 led for the power supply, Device overview of the sma power injector with, Led for the power supply – SMA Sensorbox User 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