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Old 05-27-2013, 12:35 PM   #1
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How loud a noise should your converter make when you first plug it in

I'm not talking about the fan or any other humming noise, I mean the noise when you first plug it in or unplug it and it makes a loud knock or a quiet bang. We had a fifth wheel with 30amp service quite a while ago but I can't remember what kind of noise that made. If I remember correctly this is normal, but is it possible to be "too loud"? Otherwise the converter seems to be running just fine.
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Old 05-27-2013, 12:47 PM   #2
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Welcome. I don't plug or unplug my converter. Do you mean plugging in the MH power cord ? The Wfco that came with my Bounder had fan noise. I've since installed a Progressive Dynamics and it doesn't make a peep.
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Old 05-27-2013, 12:52 PM   #3
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Sorry, yeah, that's what I mean. But I assume the noise I hear is the converter. Maybe it's not.
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Old 05-27-2013, 12:53 PM   #4
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Welcome. I don't plug or unplug my converter. Do you mean plugging in the MH power cord ? The Wfco that came with my Bounder had fan noise. I've since installed a Progressive Dynamics and it doesn't make a peep.
So there's no noise when you plug yours (MH) in? No quick knock sound or anything?
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Old 05-27-2013, 12:56 PM   #5
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Have to put my ear right up to mine to hear it at all. Also Progressive Dynamics.
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Old 05-27-2013, 12:59 PM   #6
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Do you have a surge/ voltage protector( electrical management system ) ? My Progressive Ind. ( EMS ) makes a loud click when the power is turned on.
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Old 05-27-2013, 01:00 PM   #7
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My problem was assuming it was the converter. We all know how that goes. A little more research leads me to believe that it is the transfer switch and that that is normal.

.. of course I hate to assume again
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Old 05-27-2013, 01:09 PM   #8
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Wink converter noise

spec4

When you plug in your coach to shore power, you should hear a click as it turns on the converter. That usually twlls you that the electrical connection has been made.

If that is not the sound you hear, can you ddescribe the sound you DO hear?

Happy Trails!
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Old 05-27-2013, 01:12 PM   #9
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On my Alpenlite 5er I installed the Progressive 30amp with remote and it takes about 30sec for it to come on and it makes a low sound snap but my Country Coach has the Surge Guard system and it takes about 2min then it makes some clicking sounds then a loud snap and the power is on. I always use the braker in the garage to turn on and off the power same at the parks.
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Old 05-27-2013, 01:14 PM   #10
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A transfer switch shouldn't make any noise when you plug into shore power. It's default is 'closed' for shore power and wouldn't need to operate. However, it should click when the Genset comes up to speed.

Your converter shouldn't make much noise either. If it does, then it would suggest that the transformer is either bad, or failing with shorted turns. Or something simple like a loosened wedge used to tighten the coils or loose screws on the transformer. Try this: your converter should plug into an AC outlet. Unplug it and then plug in shore power. If there's no noise, then it's the converter.

One other thing...bad or nearly bad batteries can cause the converter to make a loud noise. Have them checked.
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Old 05-27-2013, 02:11 PM   #11
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A transfer switch shouldn't make any noise when you plug into shore power. It's default is 'closed' for shore power and wouldn't need to operate. However, it should click when the Genset comes up to speed.

Your converter shouldn't make much noise either. If it does, then it would suggest that the transformer is either bad, or failing with shorted turns. Or something simple like a loosened wedge used to tighten the coils or loose screws on the transformer. Try this: your converter should plug into an AC outlet. Unplug it and then plug in shore power. If there's no noise, then it's the converter.

One other thing...bad or nearly bad batteries can cause the converter to make a loud noise. Have them checked.
I have read numerous places (including right here on iRV2) that the default position for the transfer switch is closed for the generator and open for shore power. This would make sense, at least for mine as it is clearly switching when shore power is plugged in or disconnected. Is it possible yours is different?

There is no switch noise if I start the generator when not connected to shore power.
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Old 05-27-2013, 02:34 PM   #12
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I have read numerous places (including right here on iRV2) that the default position for the transfer switch is closed for the generator and open for shore power. This would make sense, at least for mine as it is clearly switching when shore power is plugged in or disconnected. Is it possible yours is different?

There is no switch noise if I start the generator when not connected to shore power.
That is the way mine works. When I plug into shore power I specifically listen for the transfer switch "thump" to kick in.
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Old 05-27-2013, 04:04 PM   #13
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That is the way mine works. When I plug into shore power I specifically listen for the transfer switch "thump" to kick in.
Ditto. We can hear a soft "thump" when plugging in to shore power.
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Old 05-27-2013, 04:08 PM   #14
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I hear the same noise. It seems from transfer switch.
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