SMA SUNNY ISLAND SIC40-MPT, Technical Description

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SMA Solar Technology AG Explanation of the LEDs (With Codes)
Technical Description SIC40-TEN081110 41
11 Explanation of the LEDs (With Codes)
11.1 Multicolored LED
11.2 Internal LEDs
LED Meaning
Green in operation
(PV voltage > battery voltage)
Red failure / error
Orange low PV voltage
(PV voltage < battery voltage)
Internal LEDs
The internal LEDs are located inside the charge
controller and are only visible to the installer.
Yellow
(ERROR) Yellow
(ERROR) Green (RXD) Green (TXD) Meaning
is illuminated is illuminated – – error / stop
– – – – charge controller is
charging
– – flashes – charge controller is
receiving data from
Sunny Island
– – – flashes charge controller is
transmitting data