question

sunpowerlv avatar image
sunpowerlv asked

VICTRON SMARTSOLAR MPPT 250/70-MC4

On the VICTRON SMARTSOLAR MPPT 250/70-MC4, the blue light next to "Bulk" flashes slowly.

In the Ve connect app, PV Solar shows 0.00. But measured, from the solar panels come in 156V, which is not stored in the battery.

On the CCGX, the MPPT state is off.

What could be the reason why MPPT doesn't turn on?

MPPT SmartSolarLithium Batteryvictron productsBYDmppt charging
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2 Answers
offroadflow avatar image
offroadflow answered ·

Is the remote cable/plug in?

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sunpowerlv avatar image sunpowerlv commented ·

The MPPT is connected via VEDirect to the CCGX. And via VE.CAN to the battery.

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offroadflow avatar image offroadflow sunpowerlv commented ·

I actually meant the little connector with the cable bridge in it (bottom side, on the right)

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sunpowerlv avatar image sunpowerlv commented ·

We also have this cable, but I'm not sure if he's needed in our case.

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Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

offroadflow means this little connector:

1613647314293.png

Also check the polarity of you PV wires.


1613647314293.png (319.0 KiB)
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sunpowerlv avatar image sunpowerlv commented ·

Connections checked, all correct.

Maybe some settings are missing?

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