Singineer power 6kw48v model s6048d fault code 05 07 only when pulling from batteries

[mike kackson]

Will eitherhave 05 or 07 when running on just batt. When generator is running tough inverter no codes but as soon as I turn off generator with in 2 min power does and has fault code 05

 

[mike kackson]

Will eitherhave 05 or 07 when running on just batt. When generator is running tough inverter no codes but as soon as I turn off generator with in 2 min power does and has fault code 05

Been in service for a year now and just started