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Open Roads Forum  >  Tech Issues

 > Replaced house batteries/no power

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CA Traveler

The Western States

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Posted: 01/02/21 03:09pm Link  |  Quote  |  Print  |  Notify Moderator

Gottahaveit wrote:

Ok we can get everything to work off the batteries until I turn on the inverter then a click and everything shuts down.
Are you sure the polarity is correct? Lights will work even LEDs with the polarity circuit, DC motors will run backwards. But electronics not so much.

A $10 voltmeter from HF with the black wire connected to frame ground can help...


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Gottahaveit

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Posted: 01/02/21 03:19pm Link  |  Quote  |  Print  |  Notify Moderator

He has a voltmeter etc. I'm just trying to explain in wife terms what's going on. [emoticon]

wa8yxm

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Posted: 01/02/21 04:50pm Link  |  Quote  |  Print  |  Notify Moderator

The diagram is correct. Now the question is did he hook 'em up properly

This is where the voltmeter (which indicates polarity) is of great value.

Hands off that's as far as I can assist.


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Posted: 01/02/21 05:18pm Link  |  Quote  |  Print  |  Notify Moderator

There is a better way to connect the batteries.

However, what is there ought to work.

Battery banks often have an automatic circuit breaker. They do have a finite life span. Some use a manual reset with a little button.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, soon to have SiO2 batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

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Posted: 01/03/21 03:36am Link  |  Quote  |  Print  |  Notify Moderator

I'm guessing the inverter is hooked up backwards.


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MEXICOWANDERER

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Posted: 01/03/21 11:47am Link  |  Quote  |  Print  |  Notify Moderator

Pass through relay in inverter is throwing a hissy fit.

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Posted: 01/03/21 01:36pm Link  |  Quote  |  Print  |  Notify Moderator

OP stated it took several minutes for the click. Perhaps something is detecting a problem and times out? I'd expect reverse polarity and shorts to be rather quick.

OP Can you determine where the click is coming from?

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Posted: 01/03/21 06:38pm Link  |  Quote  |  Print  |  Notify Moderator

Are all connections clean and tight?


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Posted: 01/04/21 04:52am Link  |  Quote  |  Print  |  Notify Moderator

Is this an Inverter_charger combo unit, or separate stand alone inverter,
Does inverter supply 120vac to the whole RV or just a few dedicated circuits
If this a Separate inverter powering the whole RV,
Do you have any portable electric heaters plugged in, anything that could be drawing a really high amp (power watts) load on the inverter
My ,2000w inverter pure sinewave inverter, will run my MW, powerMax 75 amp converter, or a portable electric heater, but not enough batteries for a long run, voltage Drop means high amps, which heats up the DC circuit breaker , then it trips,
I only forgot and did the electric heater on inverter battery power ONE time, that was enough, I have forgot to turn off the converter power circuit several times, when switching from generator to invereter here, in this Bounder, the Safari was wired with only dedicated circuits kitchen and entertainment to inverter,
I installed this inverter, here in the Bounder, and connected it to power all outlets etc..
Power going to converter must be shut off before turning on inverter, if I forget to turn off circuit breaker for my 75 amp converter when switching from generator to inverter,
After a about 20 minutes the DC amps load feeding the inverter to . Power the converter from the inverter THE breaker will be hot and trip,


I can explain it to you.
But I Can Not understand it for you !

....

Connected using Verizon and AT&T
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Gottahaveit

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Posted: 01/04/21 09:03pm Link  |  Quote  |  Print  |  Notify Moderator

UPDATE: After checking everything over and over we still could not get the inverter stay running. On one final check of power hooked the ground cable up to the large bolt under the the key switch that shuts off the ground to the batteries and wham inverter turns on lights in cabinet come on etc. Yes the ground key switch was not making a good contact [emoticon] We are back and running properly and will be headed to AZ next week !!

Thank you for trying to help.
(George it's the all in one Magnum inverter. Yep I've turned on the hair dryer with a heater running at the same time LOL Pop goes the fuse) Miss seeing you in Q.


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