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100mpgus asked

Multiplus 12/2000 low voltage alerts

I am in the US and have the multiplus 12/2000. I started getting low voltage alerts, first reading 11.90volt then 9.*volt then 7, 4 2 then even ZERO volts and up to 5.56 and no nothing again. I have two battle born 100amp/hr batteries and they are charged, 13.77 at last look. I checked the fuse and shunt, there is 13.77 volts AND direct battery voltage (at that time) so I know it is not the batteries. The inverter is not putting out any power.

It has only been in service 5 months, used for 5-6 camping trips.

Any ideas?

Keith from NY

MultiPlus Quattro Inverter Charger
2 |3000
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Mike Dorsett answered ·

I would look for a lose connection, or blown fuse - even inside the inverter. Otherwise to extract the unit and bench test. Have you tried measuring the voltage at the terminals inside the inverter?

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100mpgus avatar image 100mpgus commented ·
it turned out to be the power disconnect switch! Bought a new, higher quality one and all is well.
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