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 > Triple digit heat! Generator won't run

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KD4UPL

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Posted: 06/13/19 03:07pm Link  |  Quote  |  Print  |  Notify Moderator

Glad you got if fixed. Unless someone did some kind of crazy hack-job on your electrical work it should be no problem to have the shore cord plugged in with the generator running. The transfer switch keeps it isolated.

MrWizard

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Posted: 06/13/19 05:27pm Link  |  Quote  |  Print  |  Notify Moderator

Quote:

it should be no problem to have the shore cord plugged in with the generator running. The transfer switch keeps it isolated.


i disagree with statement, and this has been discussed many times

not designed to switch heavy running loads, like the A/C

not designed to be a 'fail over'

it is simply an automatic choice device

which ever one of the (2) power choices you choose , gets selected
but only one is supposed to be 'HOT', not generator running and plugged in to shore power


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tropical36

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Posted: 06/13/19 07:24pm Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

Quote:

it should be no problem to have the shore cord plugged in with the generator running. The transfer switch keeps it isolated.


i disagree with statement, and this has been discussed many times

not designed to switch heavy running loads, like the A/C

not designed to be a 'fail over'

it is simply an automatic choice device

which ever one of the (2) power choices you choose , gets selected
but only one is supposed to be 'HOT', not generator running and plugged in to shore power

We've plugged into shore power before shutting down the genset plenty of times. I mean it's not like you can parallel these two sources.
Also the transfer switch relay contactors use the NC contacts for the shore power, so when genset is running the contacts close and essence have priority, so plugging in to shore, should have no effect.
One thing we always do though, is to shut off the ac, so that they don't ride down with the genset and even though, our unit shuts down pretty abruptly. Considering that there is a control sw. beside the bed as well, this thought of mine really doesn't have much merit, either.


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Posted: 06/15/19 11:57am Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

Reset and set the CBs. Check the voltage at the ATS to determine if you have gen power on the input and output.

Really appreciate you knowledge and willingness to help. As someone that is not nearly as proficient as you, your abbreviations sometimes leaving me scratching my head. My problem not yours I know, but if you could maybe spell it out for those of us mechanically challenged it would be much appreciated. Again thanks for all your help over the years.


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wolfe10

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Posted: 06/15/19 04:56pm Link  |  Quote  |  Print  |  Notify Moderator

bobkatmsu wrote:

CA Traveler wrote:

Reset and set the CBs. Check the voltage at the ATS to determine if you have gen power on the input and output.

Really appreciate you knowledge and willingness to help. As someone that is not nearly as proficient as you, your abbreviations sometimes leaving me scratching my head. My problem not yours I know, but if you could maybe spell it out for those of us mechanically challenged it would be much appreciated. Again thanks for all your help over the years.


CB= Circuit Breaker

ATS= Automatic Transfer Switch


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dkreuzen

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Posted: 06/16/19 09:24am Link  |  Quote  |  Print  |  Notify Moderator

viajante wrote:

I suspect that the problem was triple digit heat. I went out this morning and the generator started right up. I turned on the a/c and let everything run for a while, with no problems.
Thanks to everyone for your advice, which I did pay heed to and tried.


I doubt it was the heat. The generators in all my Motorhomes for the last 15 years run more when the temp is over 90 than below. When traveling I usually start the generator when the outside temp is above 90 and leave it running with the A/C on until we arrive at our destination. I have run the generators in 115+ heat many times and never had any issues.


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mikestock

Vestavia Hills, AL, USA

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Posted: 06/16/19 05:06pm Link  |  Quote  |  Print  |  Notify Moderator

bobkatmsu wrote:

CA Traveler wrote:

Reset and set the CBs. Check the voltage at the ATS to determine if you have gen power on the input and output.

Really appreciate you knowledge and willingness to help. As someone that is not nearly as proficient as you, your abbreviations sometimes leaving me scratching my head. My problem not yours I know, but if you could maybe spell it out for those of us mechanically challenged it would be much appreciated. Again thanks for all your help over the years.


Very polite way of saying what needed saying.

doxiemom11

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Posted: 06/16/19 05:28pm Link  |  Quote  |  Print  |  Notify Moderator

We have a switch inside our motorhome on the dash that allows us to start the generator from inside. We don't have to go outside and unplug from electric - we can run generator while plugged in and there is some kind of automatic switch that allows that. You should have that too.

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