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Open Roads Forum  >  Tech Issues

 > RV Tech recommends new Inverter (@ $2,500 to install)

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obiwancanoli

Napa

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Posted: 04/30/21 07:53pm Link  |  Quote  |  Print  |  Notify Moderator

That's a lot to solve a GFCI problem...

OK, been having a problem resetting my two GFCI plugs (on Inverter, no shore power); my initial problem occurred while on the Inverter. When the generator is fired up, one of the GFCI's resets, the other does not - my tech has 40 years in the business, BTW... also having an issue - while on the inverter - with the dome light underneath the microwave - it blinks on and off continuously when on the inverter... tech suggests trying to plug into shore power to see if that solves the problem... but if it does, how do I resolve the MW light blinking on and off?

It was his feeling that changing my MSW Inverter to a PSW would likely solve the problem, and the cost is due to what he refers to as "the right Inverter". This was his reply to my comment about searching Amazon for said inverters, and those I found weren't anywhere close to a price that would justify a total of $2,500... he thought Newmar might have simply gone on the cheap when choosing the current inverter for my coach, but the fact is, it oughta work correctly, yet it doesn't.

I'd appreciate some insight... it's a long ride to a Newmar certified facility...

pianotuna

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Posted: 04/30/21 10:36pm Link  |  Quote  |  Print  |  Notify Moderator

obiwancanoli wrote:

BTW... also having an issue - while on the inverter - with the dome light underneath the microwave - it blinks on and off continuously when on the inverter


The inverter may be set to power savings mode. It turns on every 6 seconds or so--to see if there is a load. It caused the display on the microwave to blink and beep. If there is a load--it comes on fully.

I have this issue with my inverter/charger.

I solved by turning the feature *off*


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.

Grit dog

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Posted: 04/30/21 11:38pm Link  |  Quote  |  Print  |  Notify Moderator

The inverter is not I use when the genny is supplying AC power. Well it could be, but doesn’t need to or shouldn’t really, IMO.
GFIs can be defective and wear out or they can pop due to a ground fault.
Age, amount of use, etc we don’t know that from your description.
Regarding $2500, if he’s been at this 40 years and gets $2500 for repairs like that he should be retired on a beach, that he purchased! Lol.
The most expensive 2000W inverter you can buy is around $600 and it’s about as difficult as a car audio amp to install except maybe easier.
$2500 is about double what I’d expect at least.


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bikendan

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Posted: 05/01/21 02:17am Link  |  Quote  |  Print  |  Notify Moderator

why is this in the Towing forum?[emoticon]


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Posted: 05/01/21 07:03am Link  |  Quote  |  Print  |  Notify Moderator

Good question above! Moved to Tech Issues forum from Towing.

obiwancanoli

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Posted: 05/01/21 07:14am Link  |  Quote  |  Print  |  Notify Moderator

Hmmm... thought that was where I posted it...

Lwiddis

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Posted: 05/01/21 07:59am Link  |  Quote  |  Print  |  Notify Moderator

When a repairperson sets an outrageous price it’s usually because he/she doesn’t want to do the work.


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craz z

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Posted: 05/01/21 08:02am Link  |  Quote  |  Print  |  Notify Moderator

Sounds like it might be dead. Obviously he could go deeper and check behind the gfci or open it up and look for burnt mosfets. but typically if a inverter has gfci's on them they are cheap to start with.

Its hard to say with out more info.

If it is a MSW upgrading to PSW is highly recommended and would certify the old one was a cheap inverter to start with. modified sine wave is the cheapest of cheap inverters

The real question is what are u getting for 2500$ hopefully a magnum, victron multiplex, or other really really high end DIRECT wire no gfci psw inverter otherwise total ripoff for say a cheapy gfci 500$ amazon special.


the blinking light and other weird things are just side effects of a failing inverter. shore might not correct it as certain circuits are dedicated from the inverter.


The "right inverter" can easily cost 2k or in that neighborhood.
depends on what all your inverter is running

* This post was edited 05/01/21 08:13am by craz z *

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Posted: 05/01/21 08:32am Link  |  Quote  |  Print  |  Notify Moderator

Not everything works with a MSW inverter. However some GFCI's don't work with MSW inverters. Look up your inverter specs and find out what GFCIs are recommended and change to that type.

Is the MW original? Any changes? Good suggestion to check the inverter settings. Also check on shore power. Charger/inverters often pass AC power through when it's available.

I'd bet a donut that everthing worked perfectly when new and something has changed. But inverters and GFCIs do develop problems.

PSW inverters are better in that the output is very close to the utility sine wave output.

I suspect you have a charger/inverter unit perhaps with a built in ATS and remote. As such you definitely won't find one for $600. $1500 plus installation and you're at $2000+.


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Bob


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Posted: 05/01/21 08:44am Link  |  Quote  |  Print  |  Notify Moderator

The Magnum MS2012 is about $1400 + remote for example.

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