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Old 01-13-2013, 07:25 PM   #1
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Inverter shuts down on new 2013 when furnace is on while dry camping

New 2013 airstream.

I found the thread on making the stereo work through speakers, and while parked in my driveway I thought I would test it out. Thing is, it was cold so had furnace on while I was testing...that resulted in the inverter shutting off.

Here is what I had going:

House lights on (LEDs)
Inverter on
Furnace on
DVD and tv and stereo on

Everything turns on but within 5-10seconds of playing the DVD, inverter shuts down. Everything else is fine.

If I turn off blower, inverter is stable and I can play DVD.

This doesn't make any sense to me!

Have lifeline batteries 2x 6volt gpl-4ct, and Victron battery monitor and factory installed solar. Why would running the blower result in inverter shutting down.? Nothing else is plugged into rv circuits. Seems like I was drawing about 5 to nearly 7 amps according to monitor.

Cb
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Old 01-13-2013, 07:35 PM   #2
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I assume you mean the 12volt furnace. Make sure that the water heater and fridge are on gas and the thermostat is on furnace, not auto or HP. That is the limit of my ability to fix. That is how I "fixed" mine.
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Old 01-13-2013, 07:38 PM   #3
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I assume you mean the 12volt furnace. Make sure that the water heater and fridge are on gas and the thermostat is on furnace, not auto or HP. That is the limit of my ability to fix. That is how I "fixed" mine.
Yes, thermostat was on furnace..in this case fridge and heater were off. Furnace doesn't shut down. It works fine. Inverter is the thing that fails when furnace is on...which is why I am confused!

Thanks for the response!

Cheers,

Cb
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Old 01-13-2013, 07:46 PM   #4
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Yes, it is confusing since the inverter and the furnace are not supposed to be related and I think your 600 watt inverter is more than adequate to run the lights, blue ray, and tv. You never know though what gremlins were installed by the factory.
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Old 01-13-2013, 07:52 PM   #5
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Doesn't the inverter shut down when battery voltage drops too low?
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Old 01-13-2013, 07:59 PM   #6
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Yes. Good point. There mat be some indicator lights on the inverter that advise of this condition. I know that my 1500 watt inverter has them but I am not familiar with the 600 watt unit.
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Old 01-13-2013, 08:04 PM   #7
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Doesn't the inverter shut down when battery voltage drops too low?
Would this be a result of too small of guage cable or the fact that I replaced stock interstate batteries with 2x 6volt lifelines?
Or something else?


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Old 01-13-2013, 08:17 PM   #8
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I don't think the battery replacement is an issue nor the factory wire gauge. I would charge the batteries over night and see if the condition persists tomorrow. Also the amp draw seems a little high so ensure that there are no other 110 items in the mix. I hope your converter is not trying to run when the inverter is operating. Search "automatic transfer switch" to find out how nasty that problem can be but first try the battery charge before you get too worried.
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Old 01-13-2013, 08:22 PM   #9
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If you have factory installed solar, you would have factory installed Lifeline batteries. Where did the stock Interstate batteries come from?

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Old 01-13-2013, 09:09 PM   #10
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It is possible 1 of your new batteries has a bad cell.

Just had that problem on my fathers scooter batteries reading full change till going up a slight hill then the reading would drop into the red and the scooter would quit (problem of bad cell, not that it was in a new battery).

To check if this is your problem watch the battery voltage with inverter going when the furnace comes on. If the voltage drops a lot get your batteries load tested.
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Old 01-13-2013, 09:27 PM   #11
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If the stereo has a subwoofer module that may be contributing - the 'embellishment' in low frequencies can look electrically almost like a direct short every time the mass being driven thumps, takes a bunch of power to charge up the system then dump power to the magnetic coil of the woofer...
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Old 01-13-2013, 09:39 PM   #12
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If the stereo has a subwoofer module that may be contributing - the 'embellishment' in low frequencies can look electrically almost like a direct short every time the mass being driven thumps, takes a bunch of power to charge up the system then dump power to the magnetic coil of the woofer...
That's an easy fix. Just unplug the subwoofer.
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Old 01-13-2013, 11:05 PM   #13
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Originally Posted by Jim Flower View Post
I don't think the battery replacement is an issue nor the factory wire gauge. I would charge the batteries over night and see if the condition persists tomorrow. Also the amp draw seems a little high so ensure that there are no other 110 items in the mix. I hope your converter is not trying to run when the inverter is operating. Search "automatic transfer switch" to find out how nasty that problem can be but first try the battery charge before you get too worried.
Batteries were 100% per Victron meter. Solar was good today, and since it was in driveway, there was no draw at night.
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Old 01-13-2013, 11:06 PM   #14
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If you have factory installed solar, you would have factory installed Lifeline batteries. Where did the stock Interstate batteries come from?

doug k
sorry, Dealer installed the solar. It's the Zamp system. I had the interstates upgraded after the fact at a local Marine/RV shop that's done some previous work for me on a camper van.
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Old 01-13-2013, 11:07 PM   #15
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Originally Posted by Wabbiteer View Post
If the stereo has a subwoofer module that may be contributing - the 'embellishment' in low frequencies can look electrically almost like a direct short every time the mass being driven thumps, takes a bunch of power to charge up the system then dump power to the magnetic coil of the woofer...
Hmm. Interesting. I will try tomorrow with sub disconnected,

Cb
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Old 01-14-2013, 04:04 AM   #16
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Batteries were 100% per Victron meter. Solar was good today, and since it was in driveway, there was no draw at night.
just to confirm..... the batteries were at 100% when under the load of the heater blower?

are you only charging from the solar panels?

was the solar controller adjusted for the wet cell batteries?
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Old 01-15-2013, 10:19 PM   #17
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A little more testing. Last night

1. Batteries were at 100 when I turned on according to Victon monitor
2. Turned furnace on
3. Turned on TV and DVD and inverter.
4. Not playing through stereo, things were stable
5. unplugged subwoofer, played DVD through stereo things were stable
6. Plugged in subwoofer, ...still stable!!

I could not reproduce tonight either.

I noted While under bed plugging/unplugging subwoofer that the input light was green on inverter. Checking manual this denotes that the line voltage is 12v to 14v. According to victron, battery was 12.71 during load of furnace fan, lights, sub, tv, DVD, inverter, radio..all cranked. 12.77 with furnace only.

I don't know why I can't reproduce...

Cheers cb
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Old 01-15-2013, 10:27 PM   #18
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just to confirm..... the batteries were at 100% when under the load of the heater blower?

are you only charging from the solar panels?

was the solar controller adjusted for the wet cell batteries?
Batteries were 100% at start of night. The Victon gives you a gauge as to the amount of time, and "fullness" of the batteries as well as total amps drawn at that moment as well as amps used. So during testing, I might draw a peak of 7.5 amps from all devices on, but in 30 minutes only use 3 amps or so, resulting in a 99.5% charge left on batteries. TTG varies based on all of this of course.

Currently,while in driveway, just using solar, yes.

Controller is very simple. It's a 3stage charger.,came with panel install. 30 amp version by Zamp. .. but the only switch is 14.4 or 14.7 if that is what you mean?
Current batteries are AGM

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Cb
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Old 01-16-2013, 04:39 AM   #19
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Inverter? Converter? Which is it? Jim
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Old 01-16-2013, 08:05 AM   #20
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Inverter? Converter? Which is it? Jim
Inverter

The OP said several times he is trying to run TV and such on batteries through the factory installed Inverter while not plugged in.
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