User Manual
61
7.6 AFCI function
Solis inverters have the built-in Type 1 Photovoltaic DC Arc-Fault Circuit-Protection which
can detect the arc fault on the DC circuit and shut down the inverter to prevent a fire disaster.
7.6.1 Enable the AFCI function
The AFCI function can be enabled in the following.
Path: Advanced Setting -> Password: 0010 ->Special Settings -> AFCI Set ->
AFCI ON/OFF -> ON
Figure 7.54 Set AFCI
AFCI ON/OFF
AFCI Level
ON
OFF
Warning
The "AFCI Level" is reserved for Solis technicians ONLY. Do not change the
sensitivity otherwise it will lead to frequent false alarms or malfunctions.
Solis is not responsible for any further damages caused by unauthorized
modifications.
NOTE
The setting corresponds to the current status as well which can be used to
inspect the ON/OFF state of the AFCI function.
7.6.2 Arc Fault
During the normal operation, if an DC arc is detected, the inverter will shut down
and give out the following alarm:
Installer needs to thoroughly inspect the DC circuit to ensure all the cables are
correctly fastened.
Once the DC circuit issue has been fixed or it is confirmed to be OK, press “ESC” for
3s and wait for the inverter to restart.
ARC-FAULT
Restart Press ESC 3s
Figure 7.55 Arc Fault
7. Normal operation
To Next Page
Loading...
Need help?
General
