Ka7500

Ka7500 inverter output voltage is too high

Is your solar inverter showing a "voltage too high" error? Don't panic – this common issue has practical solutions. . I can see from the graphs available that this occurs when the batteries move from 99% to 100% charged and the inverter DC voltage, spikes from 2x 330v (=720v) to 2 x 387v (=774v). At night (eg 4am when dark) the inverter was beeping with an error message: [03]'battery voltage is too high'. between the inverter. . The KA7500 is a cost-effective PWM controller commonly used in DIY modified sine wave inverters under 500W, offering reliable performance when paired with proper components like MOSFETs and transformers. Whether you're a solar installer or facility manager, these insights will help. . Can anyone suggest why the panels would now appear to be outputting a much higher DC voltage than they're rated for? There is another thread with a possibly similar issue that suggested theirs may be an inverter fault. As with many installers who were active in the UK PV book, my installer from. .