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Operation and Display Panel
25
RCMU test fault
26
Model setting fault
Battery Voltage Drop
27
25
RCMU test fault
On the Power Flows Page, the
26
Model setting fault
C
W
ODE
ARNING
27
Battery Voltage Drop
On the Power Flows Page, the
53
Stacking Canbus communication error
warning. Listed below are the warning codes and their solutions.
54
Power island
55
Grid is disconnected
On the Power Flows Page, the
56
Grid voltage exceeds the upper threshold
C
W
ODE
ARNING
57
Grid voltage falls below the lower threshold
53
Stacking Canbus communication error
58
Grid frequency exceeds the upper threshold
54
Power island
59
Grid frequency falls below the lower threshold
55
Grid is disconnected
61
Battery voltage is too low
56
Grid voltage exceeds the upper threshold
57
Grid voltage falls below the lower threshold
58
Grid frequency exceeds the upper threshold
62
Low battery SOC level
59
Grid frequency falls below the lower threshold
61
Battery voltage is too low
63
Battery is not detected
64
Inverter output OCP
62
Low battery SOC level
63
Battery is not detected
65
RS485 communication error
66
Output derated
64
Inverter output OCP
65
RS485 communication error
66
Output derated
60
None
1. Turn the inverter off and then back on using the main switch.
2. If the error remains, contact your installer.
None
1. Turn the inverter off and then back on using the main switch.
2. If the error remains, contact your installer.
None
1. Battery voltage drop below 30V.
2. Check the battery BMS errors and the wiring.
3. Turn the inverter off and then back on using the main switch.
4. If the error remains, contact your installer.
None
1. Turn the inverter off and then back on using the main switch.
2. If the error remains, contact your installer.
icon will flash when there is a warning. Below are the warning codes and their solutions.
None
1. Turn the inverter off and then back on using the main switch.
2. If the error remains, contact your installer.
ICON
S
OLUTION
None
1. Battery voltage drop below 30V.
1. Turn the inverter off using the main switch and check the canbus communication cables.
2. Check the battery BMS errors and the wiring.
2. Turn the inverter on. If error remains, contact your installer.
3. Turn the inverter off and then back on using the main switch.
1. Turn the inverter off and then back on using the main switch.
4. If the error remains, contact your installer.
2. The inverter will wait for 5 minutes before attempting to connect to the Grid.
3. If the error remains, contact your installer.
icon will flash when there is a warning. Below are the warning codes and their solutions.
ICON
S
OLUTION
1. Turn the inverter off using the main switch and check the canbus communication cables.
2. Turn the inverter on. If error remains, contact your installer.
1. Turn the inverter off and then back on using the main switch.
2. The inverter will wait for 5 minutes before attempting to connect to the Grid.
1. The battery voltage is less than 44V (lead-acid) or the SOC is lower than 10% (Lithium).
3. If the error remains, contact your installer.
Battery backup function will be turned off and the system output can only work with the
Grid.
2. Wait for the PV or Grid to charge up the battery. The error code will change to 62 once the
battery voltage is above 44V or the SOC is above 10%.
1. The battery voltage is less than 47.1V (lead-acid) or the SOC is less than 40% (Lithium).
2. Wait for the PV or Grid to charge up the battery. The error code will clear and battery
backup function will be enabled once the SOC is above 60%.
1. The battery voltage is less than 44V (lead-acid) or the SOC is lower than 10% (Lithium).
1. Turn the inverter off using the main switch.
Battery backup function will be turned off and the system output can only work with the
2. Check battery connection for any loose wiring.
Grid.
3. Turn the inverter on. If error message remains, contact your installer.
2. Wait for the PV or Grid to charge up the battery. The error code will change to 62 once the
1. Inverter output current exceeds the upper threshold.
battery voltage is above 44V or the SOC is above 10%.
2. Turn the inverter off and then back on using the main switch.
1. The battery voltage is less than 47.1V (lead-acid) or the SOC is less than 40% (Lithium).
3. If error remains, contact your installer.
2. Wait for the PV or Grid to charge up the battery. The error code will clear and battery
backup function will be enabled once the SOC is above 60%.
Alarm – On: 1s, Off: 1s
1. Turn the inverter off using the main switch.
1. Turn the inverter off using the main switch and check all communication wires.
2. Check battery connection for any loose wiring.
2. Turn the inverter on. If error remains, contact your installer.
3. Turn the inverter on. If error message remains, contact your installer.
1. When system temperature is too high, the output power has been derated.
1. Inverter output current exceeds the upper threshold.
2. Lower the load or lower the environmental temperature.
2. Turn the inverter off and then back on using the main switch.
3. If error remains, contact your installer.
Notes:
System output lowered to 80% when the system temperature is higher than 80°C.
Alarm – On: 1s, Off: 1s
System output lowered to 60% when the system temperature is higher than 85°C.
System output restored to 100% when the system temperature is lower than 70°C.
1. Turn the inverter off using the main switch and check all communication wires.
2. Turn the inverter on. If error remains, contact your installer.
1. When system temperature is too high, the output power has been derated.
2. Lower the load or lower the environmental temperature.
Notes:
System output lowered to 80% when the system temperature is higher than 80°C.
System output lowered to 60% when the system temperature is higher than 85°C.
System output restored to 100% when the system temperature is lower than 70°C.
icon will flash when there is a
Installation Manual
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