9
en
Additionally, in the SP Series inverters integrate the following protection
devices:
●
Internal overvoltage
●
DC insulation monitoring
●
Ground fault protection
●
Grid monitoring
●
Current leakage protection
●
DC current monitoring protection
●
DC disconnector integrated
●
Reverse DC polarity protection
3�3
Front panel
3�3�1 LED indicators
1
2
3
Fig. 2: Status indicators on the front panel of the SP inverters
LED Description
State
Description
1
Grid
indicator
Blink
Grid voltage absent or out of range. It is not
possible to connect the inverter to the grid.
ON, with
blinks every
30 sec
Normal operation.
The LED is normally ON, but every 30 sec it
blinks according to the current power level
vs. the nominal power.
1 blink = <20 % of nominal power
2 blinks = 20 % to 40 %
3 blinks = 40 % to 60 %
4 blinks = 60 % to 80 %
5 blinks = 80 % to 100 %
2
Communica-
tion indicator
Blink
Data communication underway
OFF
No communication
3
Warning
indicator
ON / blink
A warning occurred. Refer to the error table.
OFF
No warning
