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andrewwilson21 asked

Charging Problems after Lighting storm

Hi I have installed a panel and MPPT 75/10 on a Motorhome it has work fine for the last month. I am now in Portugal and after a electrical storm the 10A fuse had blown. I fitted new fuse but now system only shows 12 ish solar volts (before 25 ish Volts) the blue light is just flashing and no charging is happening. if I remove the fuse the solar volts show about 24-25 volts.

Please Help

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wkirby answered ·

I fear that the lightning has damaged your unit. Unfortunately, although the fuse did go open, fuses are often far too slow for such high bursts of energy like lightning. If you are in a high risk area then lightning protection is often a good addition to your system.

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