question

ulffredriksson avatar image

Smart solar. Battery voltage jumping up and down?

Watch the video and look for the battery voltage.

https://streamable.com/65q8j0

MPPT Controllersbatteryvoltage
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Oh, try again, it works for me.

2 Answers
Rob Fijn avatar image
Rob Fijn answered ·

Hello Ulf, what is connected between the MPPT and the DC bus? any fuses or switches?

Regards, Rob

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Yes a fuse. It seems unbroken but I Will change it anyway.

ulffredriksson avatar image
ulffredriksson answered ·

FYI, I disconnected the regulator, first from the solar panels and then from the batteries. Left it to self cure for a couple of hours and reconnected the cables. Batteries first and then the solar panels. After that everything seems to work again. .

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