Battery charging intermittantly
System is a Sunsynk 5 kW hybrid inverter with Blue Nova 5.2 kW battery.
Connected as a UPS feeding from a 16A wall socket. Wall socket is fed via a generator ACS when grid is off.
Charging is intermittant as shown below - the generator is running but not charging the battery.
Has anyone any idea what the problem could be?
The generator frequency is fairly stable between 50-51 Hz.
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It can also be the voltage that is out of range.