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Post Info TOPIC: Inverter cable
Bas + Eve


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Had the sparkie put in another power point from the inverter. After approx 1hr running a foxtel box with hardly a load it cuts out with a high battery voltage error showing. Do you think its the cables from the battery to the inverter or the wiring from the inverter to the power point??? Thanks for all and any help Bas

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Whenarewethere


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If it is 'hardly' any load then the batteries are stuffed, but there is not a lot of technical information supplied!

E1B49E28-9134-4D77-A2B7-ECF67F5A4064.jpeg



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Bas + Eve


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3x130a batteries power consumption 25w from a 1000w inverter.

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The Travelling Dillberries


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If you have a multimeter the first thing to do would be to check if the voltage is high. Check at the 12 VDC connection to the inverter, with no load on the inverter then with the load. Read what the DC voltage parameters are in the inverter instructions. Thats a good starting point.



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Bas + Eve


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Thanks TDD thats a good point! The inverter is in the cupboard, tight squeeze for a 65 115kg.....but hey, a mans gotta do what a mans gotta do. Odd thing is I put my wifes hair curler on the inverter and it didnt alarm a high battery!!!! Maybe its to foxtel box. Will do as you suggest, check voltage. Thanks mate Bas

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Bas + Eve


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TTD

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KFT


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G'day

I would be wondering about temperature if its in a cupboard. Is there any ventilation??

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Avagreatday.

Kathy and Frank currently at Home near Quirindi NSW
Bas + Eve


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No. I was thinking the same, the inverter was warm to hot. May put a vent in the door or elsewhere. Thanks mate, your imput has always been very helpful. Bas

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Jaahn


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Bas + Eve wrote:

Had the sparkie put in another power point from the inverter. After approx 1hr running a foxtel box with hardly a load it cuts out with a high battery voltage error showing. Do you think its the cables from the battery to the inverter or the wiring from the inverter to the power point??? Thanks for all and any help Bas

Hi smile

If the fault was 'battery voltage too high' then it is more likely to be your charging system getting to over voltage. What was charging the batteries at that time, the solar or the car or what ?? What is the regulator that controls it. Put the meter on the battery !! Not rocket science !

Jaahn



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Bas + Eve


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KFT: once again your experience is invaluable. I left the cupboard door open last night for extra ventilation and all was good! Thank you again. Bas

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kgarnett


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What make and model inverter is it.

Why did it give an High battery Voltage error when it seems have been due to over temperature?

What was the error code?  Just curious !

Ken



-- Edited by kgarnett on Sunday 22nd of November 2020 02:02:17 PM

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Bas + Eve


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Projecta 1000w error Hb. It was hot Ken when I opened the door, thought perhaps the cooling fan was u/s

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kgarnett


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Surprising that it didn't give error code OTP if the problem was due to overtemperature.
Perhaps an increased temperature caused it to "misread" the incoming volts before reaching the overtemp shutdown point at 60-70C. Unlikely, but not impossible.
Was the fan operating when you opened the door?



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Bas + Eve


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If it was it was very quiet. I will recheck and take more notice.

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Whenarewethere


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Some ideas for cooling.

Two holes in the cupboard, air in at the bottom & air out at the top, add a small fan if passive design fails.

 

Standoffs so air gap on all sides. 

7200897229902218382.jpg

 

Add heat sinks on all sides. If that doesn't work add a fan (Noctua 40mm fan in photo)

2175296253290303926.jpg



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Procrastination, mankind's greatest labour saving device!

50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.
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