question

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richardf asked

VRM AC Output Power

screenshot-2023-11-17-at-161100.png

Has something changed with AC output power in the VRM, the readings have gone negative, and don't see to correlate with the output. You can see from the graph when it changed. This is remote from my boat which only pulls 16-18W AC when left. Venus GX connected to a MultiPlus 12/3000/120-16

screenshot-2023-11-17-at-161807.png

The Multiplus has also always shown "unknown" instead of float, bulk etc too.

All firmware is up to date.

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Update on this, started the engine on the boat and ran it for a couple of hours to charge the batteries, when I shut the engine off the AC Loads output returned to how they were previously. I don't understand how that would make a difference, this is the graph showing both min / max values over time from the point it changed. The large negative AC load at the end is the charging period.


screenshot-2023-11-21-at-220403.png


Zoomed in on today min / max

screenshot-2023-11-21-at-222002.png


Could this be something is not wired to the correct side of the shunt or something is not wired through the shunt ?





VRM
2 |3000

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