11
en
Code
Meaning
Description
B02
Leakage current
abnormal
The insulation resistance to ground on
the input side decreases during inverter
operation.
B03
PV strings abnormal
The PV strings are damaged.
B04
PV under voltage
The PV voltage falls below the permitted
voltage range
B05
Weak irradiance
The output of the PV modules is less than the
minimal operating power
B07
PV polarity reversed
The poles of the PV strings are connected
with reversed polarity.
3�4
Connections in the lower part
1
2
3
4
5
6
Fig. 3: Connections in the lower part
Position Description
1
Vent valve
2
DC disconnector
3
PV string connectors
4
AC connector
5
Slot for the communication accessories
6
External protective earth (PE) connection
