Failure Search; Sma Operation; Stand-Alone Operation - SMA Sunny Island SIC50-MPT Installation Manual

Failure Search

11 Failure Search
11.1 SMA Operation
You can find the description of all parameters and errors in the Sunny Island manual.
11.2 Stand-alone Operation
You can read the error messages through the serial interface using the terminal program. The device
number is shown as x in the following.
Error code
Ex=+0000.0
Ex=+0000.2
Ex=+0000.4
Ex=+0000.8
Ex=+0001.6
Ex=+0003.2
Ex=+0006.4
Ex=+0012.8
Ex=+0025.5
40 SIC50-IA-en-11
Description
no error
DC input voltage missing
(also at night and during periods with low solar irradiation)
overvoltage at DC input voltage
battery temperature too high or sensor cable interrupted
battery temperature too low or short circuit in the sensor cable
charge controller temperature is higher than 90 °C
battery temperature is lower than -30 °C
battery voltage is lower than 8.1 V
short circuit, overload or overcurrent at battery or PV array
(also before first commissioning)
SMA Solar Technology AG
Installation Guide