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markbruin asked

PV voltage very unstable

I have a very unstable PV voltage coming from my 285W solar panel. The voltage is jumping between roughly 35V and 15V. This is quite new behaviour as before the voltage was kept more in the 35-38V region.36d932a3-a377-4b25-96bc-2852937d22c9.png

Solar Panel
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offroadflow answered ·

Sometimes the controller is testing the panels to get the Max PowerPoint(Tracking).

Either this or you might even have a bad connections anywhere in between the controllers terminals and the panels or in between the panels.

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