10 meaning of the light emitting diodes (leds), 1 multicolored led, 2 internal leds – SMA SIC 50 User Manual
Page 39: Meaning of the light emitting diodes (leds), Multicolored led, Internal leds, 1 multicolored led 10.2 internal leds
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SMA Solar Technology AG
Meaning of the Light Emitting Diodes (LEDs)
Installation Guide
SIC50-IA-en-11
39
10 Meaning of the Light Emitting Diodes (LEDs)
10.1 Multicolored LED
10.2 Internal LEDs
LED
Meaning
Green
Operation
(PV voltage > battery voltage)
Red
Fault/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 glowing
Is glowing
–
–
error/stop
–
–
–
–
charge controller is
charging
–
–
Is blinking
–
charge controller is
receiving data from
Sunny Island
–
–
–
Is blinking
charge controller is
transmitting data
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