Meaning Of The Light Emitting Diodes (Leds); Multicolored Led; Internal Leds - SMA Sunny Island SIC50-MPT Installation Manual

SMA Solar Technology AG
10 Meaning of the Light Emitting Diodes (LEDs)
10.1 Multicolored LED
LED Meaning
Green Operation
(PV voltage > battery voltage)
Red Fault/error
Orange Low PV voltage
(PV voltage < battery voltage)
10.2 Internal LEDs

Internal LEDs

The internal LEDs are located inside the charge
controller and are only visible to the installer.
Yellow Yellow
(ERROR) (ERROR)
Is glowing Is glowing
– –
– –
– –
Installation Guide
Green (RXD) Green (TXD)
– –
– –
Is blinking –
– Is blinking

Meaning of the Light Emitting Diodes (LEDs)

Meaning
error/stop
charge controller is
charging
charge controller is
receiving data from
Sunny Island
charge controller is
transmitting data
SIC50-IA-en-11 39