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Old 02-08-2014, 05:58 PM   #1
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Just installed an inverter

I installed a 2000 watt inverter in my 2009 26rbss flagstaff, and now my 12volt lights, slide, etc direct from the batteries doesn't work now. If I plug my 30amp plug into the inverter, or to a 30amp Plug everything works fine. Any ideas on why my 12 volt direct from the batteries doesn't work now. I've checked fuses, and breakers. The solar panels, and the inverter are also connected to the batteries.
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Old 02-08-2014, 06:18 PM   #2
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to help it would be good to know where you hook up the 12 volts of your inverter.....at the battery directly or off some of the other wiring?
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Old 02-08-2014, 06:19 PM   #3
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Is your inverter an inverter/charger or just a stand alone inverter?

If you have 12V power on shore power, the converter is giving you 12 volts. So with no 12 volts on battery, it would seem like it has to be a wiring connection issue or a fuse. Did you check the resettable fuse near the battery - usually on the tongue up under the frame maybe.
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Old 02-08-2014, 06:25 PM   #4
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The inverter is connected directly to the batteries. I did check the fuse underneath, and its fine. I am getting 12 volts on both sides of the fuse.
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Old 02-08-2014, 06:33 PM   #5
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Quote:
Originally Posted by KMP44 View Post
Is your inverter an inverter/charger or just a stand alone inverter?

If you have 12V power on shore power, the converter is giving you 12 volts. So with no 12 volts on battery, it would seem like it has to be a wiring connection issue or a fuse. Did you check the resettable fuse near the battery - usually on the tongue up under the frame maybe.
It is a stand alone inverter.
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Old 02-08-2014, 06:43 PM   #6
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If you have a battery disconnect make sure it is in proper position. After check for a resetable mini-breaker underneath trailer at front near tongue, push black button to reset.
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Old 02-08-2014, 06:46 PM   #7
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If you have a battery disconnect make sure it is in proper position. After check for a resetable mini-breaker underneath trailer at front near tongue, push black button to reset.
I did not know about the re-set button. I will check tomorrow. Thanks
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Old 02-08-2014, 06:57 PM   #8
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Also on another note, when you pluged in your 30 amp rv plug into your inverter, you were creating a closed loop from battery through inverter to rv plug feeding rv electrical panel feeding converter feeding battery again, causing high circulating currents that most likely tripped that min-breaker.
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Old 02-08-2014, 06:59 PM   #9
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Sounds like you have three connections to the battery - the original tt wires, the inverter, and the solar charge controller? Could try un-hooking everything but the the original trailer connection to the batteries just to see if it makes any difference.

Only other thing I can think to check is the ground connection between the battery and frame.
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Old 02-08-2014, 07:07 PM   #10
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Originally Posted by KMP44 View Post
Sounds like you have three connections to the battery - the original tt wires, the inverter, and the solar charge controller? Could try un-hooking everything but the the original trailer connection to the batteries just to see if it makes any difference.

Only other thing I can think to check is the ground connection between the battery and frame.
I do have all three items connected. I did try UN-hooking everything, and made no difference. Thanks.
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Old 02-08-2014, 07:09 PM   #11
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Also on another note, when you pluged in your 30 amp rv plug into your inverter, you were creating a closed loop from battery through inverter to rv plug feeding rv electrical panel feeding converter feeding battery again, causing high circulating currents that most likely tripped that min-breaker.
I did plug the 30 amp directly into the inverter. You don't recommend this? What would you recommend?
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Old 02-08-2014, 07:12 PM   #12
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If you do plug it in, then you need to open (turn off) your converter breaker in the electrical panel to prevent what I mentioned above.
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Old 02-08-2014, 07:17 PM   #13
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Okay. Thanks
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Old 02-08-2014, 07:29 PM   #14
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Originally Posted by charlies rv adventure View Post
I did plug the 30 amp directly into the inverter. You don't recommend this? What would you recommend?
In the scenario you have, when you plug the 30 amp plug into the inverter, you powering the "whole house" with battery power through the inverter, including powering the factory installer converter, which normally charges your battery when on shore power. So in this setup, you are essentially charging your battery with your battery.

With the setup you have, you would probably want a switch or some other method of shutting off the charger that is built into your converter when your are running the inverter.

The attached diagram shows a similar "whole house" setup or an alternate, setup which is to use a sub-panel. The sub-panel is more work to install, but it has some advantages especially if your inverter has a transfer switch. One being, the inverter only powers the 110V circuits you want to power. This prevents accidental overloading, like if the A/C switch was left on my mistake.

Would be so much easier if it was a factory option to have an inverter and solar wiring already installed...
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Old 02-08-2014, 07:36 PM   #15
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Just installed an inverter

Quote:
Originally Posted by KMP44 View Post
In the scenario you have, when you plug the 30 amp plug into the inverter, you powering the "whole house" with battery power through the inverter, including powering the factory installer converter, which normally charges your battery when on shore power. So in this setup, you are essentially charging your battery with your battery.

With the setup you have, you would probably want a switch or some other method of shutting off the charger that is built into your converter when your are running the inverter.

The attached diagram shows a similar "whole house" setup or an alternate, setup which is to use a sub-panel. The sub-panel is more work to install, but it has some advantages especially if your inverter has a transfer switch. One being, the inverter only powers the 110V circuits you want to power. This prevents accidental overloading, like if the A/C switch was left on my mistake.

Would be so much easier if it was a factory option to have an inverter and solar wiring already installed...
Thanks for the information.
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Old 02-09-2014, 05:18 PM   #16
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If you have a battery disconnect make sure it is in proper position. After check for a resetable mini-breaker underneath trailer at front near tongue, push black button to reset.
The mini breaker was the problem. Thank You.
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Old 02-10-2014, 12:13 AM   #17
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glad it all worked out
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