SOFAR 1~4KTL2-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
connected and undamaged?
Follow the steps below to view recorded problems:Long press
the button to enter the main menu from the standard interface.
Select “ 2. Event List ” then long press the button to enter event
list.
Earth Fault Alarm
This inverter complies with IEC 62109-2 clause 13.9 for earth fault
alarm
monitoring.
If an Earth Fault Alarm occurs, the fault will be displayed on the
LCD screen, the red light will be on, and the fault can be found
in the history of the fault. For the machine installed with
Wi-Fi/GPRS, the alarm information can be seen on the
corresponding monitoring website, and can also be received by
the APP on the mobile phone.
Table 7-1 Event list
The power grid
voltage is too
high
If the alarm occurs occasionally, the
possible cause is that the electric grid is
abnormal occasionally. inverter
automatically returns to normal
operating status when the electric
grid’s back to normal.
If the alarm occurs frequently, check
whether the grid voltage/frequency is
within the acceptable range. If no,
contact technical support. If yes, check
the AC circuit breaker and AC wiring of
the inverter.
If the grid voltage/frequency is within
the acceptable range and AC wiring is
correct, while the alarm occurs
repeatedly, contact technical support
The power grid
voltage is too
low
The power grid
frequency is too
high
The power grid
frequency is too
low