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CharlesFoster

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  1. Thanks
    CharlesFoster got a reaction from Coulomb in Schubart Inverter 3KVA (Axpert Clone) Error Code 09   
    After replacing almost everything i got it working. This inverter works different than the other brands. soft start is purely switching one fet on, and then the rest for high current.You will see on the PCB one fet on the bank is driven by a separate IC.
    So in your case i would start with the bank (in my case with 2 heat sinks) check those fets and drivers. I saw the resistors burnt as well once those banks were off, so i replaced the drivers, the resistors and the fets.
    Mine is not 100% yet as it trips above 10% usage now, but seems to be a current sense circuit.
    I have to take it apart and check further.

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