2. Check if the battery is approved by Growatt.
3. Check the connection of lithium Battery and inverter is firm and correct.
4. switch off the whole system，especially switch off the main grid，make sure that the
cable wiring connection between inverter and battery is stable，restart the system.
4.15 Error 58
Fault description: Output voltage is too low.
Analysis：
1. Output abnormal，inverter voltage below than 190Vac or is higher than 260Vac.
Suggestion:
1. Reduce the connected load.
2. Please start linear load first，let it run stable，then start the others.
4.16 Error 60
Fault description: Negative power fault.
Analysis：
1. AC output wiring connected wrongly.
2. There is negative power more than 3kw exceed 100ms.
Suggestion:
1. if there is only one inverter run alone ， Disconnect AC input and AC output wiring
connection，connect AC input and AC output wiring connection correctly.
2. if there are several inverters run in parallel，please check whether current sharing cable
wiring connection is correct or not.
3. there may be phase difference among inverters in parallel system.
4.17 Error 80
Fault description: CAN fault.
Analysis：
1. Communication cable between inverter and battery doesn’t connect well.
Suggestion:
1. Disconnect communication cable，wait for a while，then reconnect it again.
2. You can find cable wiring connection details in user manual，Red is communication
cable，green is current sharing cable，make sure red cable connected correctly.
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