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- 42-
Error code
F47
AC over frequency
Grid frequency out of range
1. Check the frequency is in the range of specification or not;
2. Check whether AC cables are firmly and correctly connected;
3. Seek help from us, if can not go back to normal state.
F48
AC lower frequency
Grid frequency out of range
1. Check the frequency is in the range of specification or not;
2. Check whether AC cables are firmly and correctly connected;
3. Seek help from us, if can not go back to normal state.
F55 DC busbar voltage is too high
F56 DC busbar voltage is too low
BUS voltage is too high
1. Check whether battery voltage is too high;
2. check the PV input voltage, make sure it is within the allowed
range;
3. Seek help from us, if can not go back to normal state.
Battery voltage low
1. Check whether battery voltage is too low;
2. If the battery voltage is too low, using PV or grid to
charge thebattery;
3. Seek help from us, if can not go back to normal state.
F58BMS communication fault
1, it tells the communication between hybrid inverter and battery
BMS disconnected when “BMS_Err-Stop” is active”
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
F63ARC fault
F64
Heat sink high
temperaturefailure
1. ARC fault detection is only for US market;
2. Check PV module cable connection and clear the fault;
3. Seek help from us, if can not go back to normal state
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
Heat sink temperature is too high
1. Check whether the work environment temperature is too high;
2. Turn off the inverter for 10mins and restart;
3. Seek help from us, if can not go back to normal state.
F46 backup battery fault
1，Please check each battery status, such as voltage/ SOC and
parameters etc., and make sure all the parameters are same.
2，If the fault still exists, please contact us for help
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