11 failure search, 1 sma operation, 2 stand-alone operation – SMA SIC 50 User Manual
Page 40: Failure search, Sma operation, Stand-alone operation

Failure Search
SMA Solar Technology AG
40
SIC50-IA-en-11
Installation Guide
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
Description
Ex=+0000.0
no error
Ex=+0000.2
DC input voltage missing
(also at night and during periods with low solar irradiation)
Ex=+0000.4
overvoltage at DC input voltage
Ex=+0000.8
battery temperature too high or sensor cable interrupted
Ex=+0001.6
battery temperature too low or short circuit in the sensor cable
Ex=+0003.2
charge controller temperature is higher than 90 °C
Ex=+0006.4
battery temperature is lower than -30 °C
Ex=+0012.8
battery voltage is lower than 8.1 V
Ex=+0025.5
short circuit, overload or overcurrent at battery or PV array
(also before first commissioning)