THREE PHASE HI 25/50kW | Installer Manual69
Error Code Description Solutions
F55 BAT1_VoltHigh_Fault
1. Check the battery 1 terminal voltage is high;
2. Restart the inverter 2 times and restore the factory set-
tings;
3. Seek help from us, if can not go back to normal state.
F56 BAT1_VoltLow_Fault
Battery low voltage
1. Check if the battery voltage is too low.
2. If the battery voltage is too low use the PV or grid to
charge the battery.
3. Check the battery BMS
Important: Especially with Lithium batteries, ensure that the
batteries Max. discharge current or power specication is the
same or higher than the inverter specication.
F57 BAT2_VoltLow_Fault
Battery low voltage
1. Check if the battery voltage is too low.
2. If the battery voltage is too low use the PV or grid to
charge the battery.
3. Check the battery BMS
Important: Especially with Lithium batteries, ensure that the
batteries Max. discharge current or power specication is the
same or higher than the inverter specication.
F58 Battery_comm_Lose
1. It tells the communication between hybrid inverter and
battery BMS disconnected when “BMS_Err-Stop” is ac-
tive”.
2. If don’t want to see this happen, you can disable “BMS_
Err-Stop” item on the LCD.
3. If the fault still exists, please contact us for help
F62 DRMs0_stop
1. the DRM function is for Australia market only.
2. Check the DRM function is active or not.
3. Seek help from us, if can not go back to normal state
after restart the system.
F63 ARC_Fault
1. ARC fault detection is only for US market.
2. 2. Check PV module cable connection and clear the fault.
3. 3. Seek help from us, if can not go back to normal state.
F64
Heat sink high-temperature
failure
Heat Sink temp is too high
1.Check if the working environment temperature is too high.
2.Turn o the inverter for 30 minutes and restart.
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