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peter-williams avatar image
peter-williams asked

Multiplus 12/3000/120 not Charging

My Multiplus inverts ok, but will not charge from either shore power or from the generator. I know the multiplus is OK, so what other things should I have checked?

battery charging
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Alexandra avatar image Alexandra ♦ commented ·

@Peter Williams

Does the battery need a charge? Or is it at its target voltage?

Input current limit? Can it cover loads and charge as well.

Is the internal charger enabled and configured in programming?

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2 Answers
peter-williams avatar image
peter-williams answered ·

Hi Alexandra. Batteries very much need a charge when I start the generator. Sorry, I don't know the settings in the unit, but it worked last year, so assuming the settings are OK. I am wondering what things outside the Multiplus could give this issue. We've already checked that input from the generator is within the spec limits of 95-140V, 45-65 Hz. Is there anything else downstream of the Multiplus which could cause the problem?


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kevgermany avatar image
kevgermany answered ·

More likely upstream if the unit is inverting. Fuse/breaker on the input.

Have you checked for AC at the input connection?

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Alexandra avatar image Alexandra ♦ commented ·
Is the voltage present on the input terminals of the inverter?

Do you hear the inverter humming to connect and any clicking?

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