29
/
34
17
Over temperature
protection
Over
Temperature
1. The external conditions, such as
the PV voltage and the sunlight,
change too sharply.
The inverter restores automatically.
2. Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
18
Islanding
protection
Grid Islanding
1. The grid is abnormal.
When the grid returns to normal, the inverter restores automatically.
2. Ratings of the grid-side switch
do not meet the grid requirements
so that the switch has tripped.
Replace the switch.
3. AC connectors are in poor
connect.
Reconnect the connectors again.
4. Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
19
Grid loss
Utility Loss
1. The grid is abnormal.
When the grid returns to normal, the inverter restores automatically.
2. Ratings of the grid-side switch
do not meet grid requirements so
that the switch has tripped.
Replace the switch.
3. AC connectors are in poor
connect.
Reconnect the connectors again.
4. Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
20
Grid over voltage
Vac Over
Voltage
1. The grid is abnormal.
When the grid returns to normal, the inverter restores automatically.
