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Old 05-09-2015, 07:27 AM   #1
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Xantrex Inverter/Converter ?

Hi everyone. I have a 2005 Fleetwood Excursion. We love it! However 2 weeks ago my Xantrex 458 inverter/converter burned out and had to be replaced. Ouch, expensive! does anyone have an idea of what I might have done to cause this or can this happen "just because" any time? Thanks for your thoughts...
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Old 05-09-2015, 08:36 AM   #2
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What part "burned out"? Transformer, circuit breaker ??
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Old 05-09-2015, 08:40 AM   #3
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don't know the answer, but my rig has a xantrex 20d since day one and seems holding pretty good.
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Old 05-09-2015, 08:57 AM   #4
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Quote:
Originally Posted by Jody10 View Post
Hi everyone. I have a 2005 Fleetwood Excursion. We love it! However 2 weeks ago my Xantrex 458 inverter/converter burned out and had to be replaced. Ouch, expensive! does anyone have an idea of what I might have done to cause this or can this happen "just because" any time? Thanks for your thoughts...
All kinds of possibilities. Where is it mounted? Is there good airflow around it? Did you routinely vacuum the area and the dust out of the cooling fan opening? These units need good airflow to live. It's possible the fan failed and if you didn't notice it that can take out the inverter. Or it just died. Sometimes it just happens. I had a Freedom 458 in my old rig and ran for 15 years without any issue but maybe I was just lucky. Still looks like you got 10 years out of yours so that's not bad.
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Old 05-09-2015, 09:15 AM   #5
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Quote:
Originally Posted by Jody10 View Post
Hi everyone. I have a 2005 Fleetwood Excursion. We love it! However 2 weeks ago my Xantrex 458 inverter/converter burned out and had to be replaced. Ouch, expensive! does anyone have an idea of what I might have done to cause this or can this happen "just because" any time? Thanks for your thoughts...
Dang... Wish you had posted that before you bought a new one! I replaced mine with a large pure sine wave and would have let you have my old one.
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Old 05-09-2015, 03:22 PM   #6
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my coach is a 2007 with a Xantrex 458 2000 watt it seems to work fine. I will replace it with a Magnum 2000 watt pure sine inverter when mine fails. Prices seems to be similar.
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Old 05-10-2015, 08:09 AM   #7
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Thanks everyone for your input and generous offers of parts etc. I should have posted before repairing, but I kind of panicked I guess. I'll post first next time. Also, thanks for the advice on how to avoid problems with the new Xantrex.

Are there any things electrical etc. to avoid or be careful of while using the Xantrex Inverter/Charger? Thanks y'all.
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Old 05-10-2015, 08:54 AM   #8
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Jody10, did you have any other electrical problems? What was running at the moment of failure? Were you using anything that you don't normally use?

We must all remember this as we rumble down the road, park in a beautiful spot or just have the RV sitting under cover. Stuff breaks and the inverter is no exception. Sometimes it is a manufacture shortcoming, the end of a useful life or some critter that moves in and causes damage. The inverter fits in here someplace because I have covered most normal failure events.

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Old 05-10-2015, 09:06 AM   #9
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Quote:
Originally Posted by Jody10 View Post
Thanks everyone for your input and generous offers of parts etc. I should have posted before repairing, but I kind of panicked I guess. I'll post first next time. Also, thanks for the advice on how to avoid problems with the new Xantrex.

Are there any things electrical etc. to avoid or be careful of while using the Xantrex Inverter/Charger? Thanks y'all.
Having owned the same unit for 11 years problem free, the biggest thing to extending the life is annual cleaning with a vacuum cleaner in the inverter compartment and the fan of the inverter.

On our previous MH the manufacture did not have anything wired to the Xantrex 458 that could damage it including the bathroom outlets...no hair dryers.

We also turned ours on only when needed. Running in "standby" is still putting use on the inverter in my opinion.
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Old 05-10-2015, 09:47 AM   #10
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I learned the hard way not to leave it in standby. I turn it off if I am not using it. The CG we stayed at in Mission Texas had a bad pedestal, and I had a dream I could hear electrical wires sizzling. Then I got up to use the bathroom to an unmistakable odor of burnt electrical wires. The surge guard shut down the power and the electric mattress pad was toast!


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Old 05-10-2015, 09:53 AM   #11
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I can think of three things other than simple electronics failure:

1.It inhaled too much dust & dirt and overheated due to reduced heat shed capability.
2.Inadequate cooling air flow caused overheating. Compartment too hot or air intakes blocked (see#1)
3.Excess input voltage from shore or generator power (over about 128v)

The 458 is a pretty reliable unit and plain old circuit board component failures are fairly rare.
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Old 05-10-2015, 11:12 AM   #12
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Did you have some sort of surge protection between the power source and the rig?
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Old 05-11-2015, 04:43 PM   #13
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Thanks Gary and Dean. I will be more aware of keeping the inverter compartment clear. No Dean I wasn't using any surge protection while using our storage shore power. Also, can you think of anything I could have done wrong electrically to cause a burnout? Sequence of plugging in etc.

If I shut the inverter off on the panel up in the coach will it still charge? Thanks guys...Jody
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Old 05-11-2015, 09:36 PM   #14
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On my rig the inverter combo will still charge the house battery if the inverter is shut off.

Our type of inverters are a combo of two tools. It is an inverter using the battery to power 110v outlets. It is a a charger which converts 110acv to charge the 12dcv batteries.

Each function operates separately.
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