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James D

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  1. Fivestar repairer required

    James D replied to James D's topic in Inverters
    Hi Coulomb, The PV array short cct current spec is 18.2 Amp, max power current is 17.2A. I placed a 20 amp (220V AC) circuit breaker on the positive and a 30 amp fuse on the negative PV input, with 600V surge protectors. Within minutes the cct breaker pops, while the inverter still shows zero current. I don't have a DC current probe, so I can't verify my assumption, but the cct breaker gives me a clue... Thanks for your help, James

  2. Fivestar repairer required

    James D posted a topic in Inverters
    A 2 year old 8kVA inverter was used as load shedding unit only. Late December added 6 x 555W solar panels and found that the inverter doesn't read the PV current, just the voltage. With PV connected it basically shorts the PV array as it can't determine the wattage in. Suspect a faulty MPPT board. Unable to find anybody interested on google! Does anybody know of a company that can repair the Fivestar? Assistance much appreciated James

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