question

Michelle Konzack avatar image
Michelle Konzack asked

BlueSolar MPPT 75/15 give wrong Wh

Good morning,

some days ago I reinstalled my old BlueSolar with three 100W panels and yesterday evening around 23: I discovered, that on Friday I had 970Wh and yesterday 1010Wh, BUT it show a new count with 160Wh in mitten of the night.


What is happening?


How is someone supposed to work with it?

Why does the BlueSolar not wait until the PV input is a certain time 0 until it go to sleep and restart the next day?


The current behaviour is confusing.


screenshot-20230624-231511-comvictronenergyvictron.jpg


bluesolarmppt
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seb71 avatar image seb71 commented ·
What is the error from 2 days ago?
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Michelle Konzack avatar image Michelle Konzack commented ·

Now it become more strange, because we have 18:00 and the BlueSolar just restarted two hours ago (around 15:39) a new day (see screen shoots) screenshot-20230625-180154-comvictronenergyvictron.jpgscreenshot-20230625-180124-comvictronenergyvictron.jpg

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Michelle Konzack avatar image Michelle Konzack Michelle Konzack commented ·

screenshot-20230626-203816-comvictronenergyvictron.jpgToday again

On 16:00 it showed 580Wh and the I went shopping and when I came back at 20:40 it showed 600W and started again and I have now around 320Wh since 16:00.


Is the BlueSolar now broken?

screenshot-20230626-182435-comvictronenergyvictron.jpg


This thing is driving me nuts!

Especially if it was already exchanged from Victron.

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1 Answer
Michelle Konzack avatar image
Michelle Konzack answered ·

The charger was used 2 years ago on my Sprinter and was setup to 12V. (see screenshot)...


...and another thing what I do not understand is, why the Solarpanels deliver only 188W if they can deliver 300W @54V.

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Michelle Konzack avatar image Michelle Konzack commented ·
P. S.: The BlueSolar is set to 15A.
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