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Hypertough 750-watt inverter, display-voltmeter problem

Applied battery-voltage will be 12.8 volts, display-voltmeter on the inverter will show 11.5 volts. But if I apply voltage to the inverter using a DC power-supply, the display-voltmeter will be correct.

Posted by tickyul on

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W.L.

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Most likely the battery volts are displaying correctly. There is a voltage drop on the battery due to its internal resistance, when you connect a supply the voltage drop is less.
If you were to put a new battery on it it might reduce the voltage drop, as long as the battery is designed for the current load it's taking.
If it's working I wouldn't worry, but if the voltage continues to drop with use I'd be thinking it needs a new battery. (Assuming the battery is charging correctly)

Posted on Dec 09, 2022

Testimonial: "Thanks for the input. I checked battery-voltage with my meter, the inverter-display is definitely off....very little V-drop on the high-current lines."

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Aims 2000 watt power inverter will not turn on. i have it hooked in series to two 12 volt batteries and when i flip the on switch nothing happens
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Xantrex inverter error codes
This information expands upon the error code information contained in the Link 2000 Owner?s Manual.
E-01 Inverter high DC/Battery voltage shutdown Battery voltage has risen above 15.5 VDC for 12-volt models or 31 VDC for 24-volt models.
E-02 Inverter low DC/Battery voltage shutdown Battery voltage has dropped below 10 VDC for 12-volt units or 20 VDC for 24-volt units.
E-03 Inverter or Charger overtemp shutdown Unit will reset automatically after it has cooled sufficiently.
E-04 Battery overload Caused by excessively discharged batteries. See section in inverter owner?s manual titled ?Charging overdischarged batteries.?
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E-06 Electronic Overload Inverter overload caused by too large a load or a short circuit. Reset by cycling power switch or connecting incoming AC power.
E-07 Triac control error Triac has overheated. Shut down unit and allow to cool.
E-08 High battery voltage shutdown during charge mode Check all charging sources for proper voltage. Reset by cycling the power switch.
E-09 Spare
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E-11 Spare
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