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Martin Keogh avatar image
Martin Keogh asked

Midpoint Voltage not accurate

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martinkeogh2 answered · 1

I was successful measuring the mid point on my 12volt house battery system (2 × 6volt Batterys in series) up until yesterday. Now they are not reading accurately. 2 volts lease than actual. I have also try this on my start battery (24 volts) and this input is measuring 5 volt less than actual.



BMV Battery Monitor
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1 Answer
Paul B avatar image
Paul B answered ·

check the small fuse and make sure its 1amp and not 500Ma also reset the unit to factory default and see if this helps.


Also try a diferant board on the shut as the board maybe damaged due to some external event ???

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