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jcaputo avatar image
jcaputo asked

Multiplus 3000 Voltage Reading Too High

Hello

Recently had a new Multiplus 3000 inverter installed and overall it's working great. However the voltage it's reading is consistently ~0.5 volts higher than actual. I checked this 3 different ways:

- manually tested batteries using a volt meter

- victron mppt controller

- blue sea dc meter on dc panel

All others show voltage at 0.5 volts lower than the inverter.

Is there some way to calibrate the inverter to correct this?

Thank you





battery system voltage
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Trevor Bird avatar image Trevor Bird commented ·
Hello @jcaputo , This may be an unusual comment but is the reading taken when the multiplus is in a no load condition? If the Multiplus is loaded the 0.5volt may be the voltage drop across the cables supplying the Multiplus. That voltage comparison needs to be made when the output of the Multiplius has no load.
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2 Answers
kevgermany avatar image
kevgermany answered ·

Sorry, but you're going to take this up with the seller.

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Lars Filusch avatar image
Lars Filusch answered ·

my readings are to low, so the real charging gets to high. Its getting more worse over time. After full powercycle readings are correct.

Adding the v-sens solve the problem for me.

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