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Lup on display what does it mean? - NPower Portable Digital Inverter - 3000 Watts

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3000 watt eliminator with OLP and LUP CODES any Ideas


Assuming you have a 12VDC In 120V AC out 3000W inverter.
LUP indicates battery voltage is low, so firstly make sure:

1. You 12V battery is good, it's large enough a minimum of 75AH and probably much larger is recommended and it's fully charged.
2. Verify you are using the correct size copper wires from battery to the Inverter DC INPUT(s). If you keep wire short the wire size can be smaller, but if the DC input wires are longer then you will need to use thicker copper wires.

At MAx load you would be taking 250 AMP from battery, so for a 5% Volatge drop of .6 V for a 10 ft length of cables from battery to Inverter you would need to use a 1AWG copper cable.

http://www.calculator.net/voltage-drop-calculator.html?material=copper&wiresize=0.4066&voltage=12&phase=dc&noofconductor=1&distance=10&distanceunit=feet&eres=125&x=37&y=8

OLP is a overload condition, which means you may have to many high powered AC powered things connected to the Inverters AC outlets or maybe something that has large start up surge, ie devices large electric motors.

Or it could be all due to a faulty Inverter.

Oct 22, 2016 | Eliminator Electronics - Others

1 Answer

What does lup mean on inverter?


as I see no make (BRAND) I can only say search for it on Google and see if there is a manual . or contact the manufacturer

Aug 31, 2015 | Electronics - Others

1 Answer

On a 1000 watt Duralast inverter what area code is lup


this is a question for a qualified electrician
or ring the store where you bought it from

Mar 19, 2015 | Inverter Electronics - Others

1 Answer

Why does my 900w microwave trigger the LUP code & alarm?


you need at least a 1900 watt inverter with a fully charged battery to run a 900 watt microwave,it uses 900 watts to make microwaves and it uses 700 or so to run everything else.

Mar 11, 2015 | Inverter Electronics - Others

1 Answer

Getting LUP code when turning unit on


typically means it isnt getting enough power.

Aug 23, 2011 | Cobra CPI 1000 DC to AC Power Inverter

1 Answer

I have 5000W inverter & hooked up to my battery power supply.display is saying "l up" .i think it means lock up.i was wondering how to unlock.


Could it be L.U.P. it's really L.V.P. but the V looks like a U. If it is it's low voltage protection. If the incoming voltage drops below 10.5 volts, it begins to flash. If the voltage drops below 10 volts it shouts down. If you supply it with 12 v it should restart. If you don't have manual you can view/download one from www.cobra.com.
The low voltage could caused by low battery. Poor connetions. Wire too small for load being supplied.Inverters over 1500 watts will require #1/0 or larger cable, in the shortest possible length. NOTE: Cable size recommendations may vary among inverter brands and models; check the Owner's Manual for the model you purchase before you buy the wire for it.

Jun 21, 2010 | Cobra 2500w Power Inverter

1 Answer

Power drive 2000 INVERTER what does Lup stand for?


check the wires you either have a bad connection or a bad wire the power in verter has 4 wires 2 neg 2 pos if 1 of the 4 is loose or bad it will give lup code .

Aug 23, 2009 | Electronics - Others

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