- Instruction Manual for ESS R050096 -
44
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;
Seek help from us, if cannot 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 cannot go back to normal state.
F56
DC bus-bar voltage is
too low
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 the battery;
3. Seek help from us, if cannot go back to normal state.
F58
BMS Communication
Fault
1. Check whether Battery communication cable is
connected.
2. Reconnect the communication cable.
3. Seek help from us, if cannot go back to normal state.
F64
Heat sink high
temperature failure
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 cannot go back to normal state.
◼
If the fault still cannot be solved, please contact the supplier or manufacturer as soon as possible.
Note: Do not disassemble the product yourself!
◼
When you need to report the fault to the customer service personnel of the dealer, please record
and inform the following information:
①
Product model (Model);
②
Serial No. (Serial No.);
③
Date of fault occurrence, complete problem description (including fault code, power grid
condition, load capacity, etc.).