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06-03-2018, 09:41 PM
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#1
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Junior Member
Join Date: Sep 2016
Posts: 23
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Residential Frig in 2017 Blue Ridge 3780LF
Residential Frig has stopped working when on battery. Checked the fuses, inverter and no issues there. Working fine when on shore power. Any help with what to check next to get Frig to work on battery when traveling to our next destination.
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06-04-2018, 06:16 AM
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#2
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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The frig does not select the power source I think the inverter is the problem I would make sure the inverter is actually producing power and not just passing 110 when on shore power.
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Retired Navy
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06-04-2018, 06:33 AM
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#3
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by danpophin
Residential Frig has stopped working when on battery. Checked the fuses, inverter and no issues there. Working fine when on shore power. Any help with what to check next to get Frig to work on battery when traveling to our next destination.
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Check the GFI on the inverter. (test reset) Check the 12-volt power to the inverter with no shore power. Check the battery voltage.
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06-04-2018, 08:15 AM
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#4
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Junior Member
Join Date: Sep 2016
Posts: 23
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When off shore power the inverter is indicating 13.2 volts. I have tested the GFI breaker and it is okay. How do I tell if the inverter is not producing power?
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06-04-2018, 08:31 AM
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#5
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Senior Member
Join Date: Jun 2015
Location: Payson, AZ
Posts: 3,871
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what make / model inverter? what indicator lights does it have on and what does the display panel say? you say you have reset the gfci receptacle on the inverter. plug a lamp or radio into the gfci receptacle and see if they work. depending upon which inverter you have there may be a small refrigerator transfer switch involved. it will have three power cables. one input to a/c shore power from the circuit breaker in you distribution panel, one input from the inverter, and output to the refrigerator. the input from the inverter will be plugged into the gfci receptacle on the inverter. again depending on the make of the transfer switch it may have either an output cable or a 110 volt receptacle. if it has an output cable this will go to a junction box with a 110 volt receptacle in it. the refrigerator will plug into either the receptacle in the junction box or the transfer switch receptacle itself. you need to confirm that you are getting 110 volt power out of the inverter gfci and then out of the transfer switch. if the transfer switch were to fail the inverter could be producing power yet the transfer switch not be passing it to the refrigerator. some makes of inverters have the transfer switch built into them.
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2015 cardinal model 3825fl
2015 dodge ram 3500 dually
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06-04-2018, 08:38 AM
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#6
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Senior Member
Join Date: Jan 2015
Location: Englewood FL
Posts: 2,797
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Plug something into the gfi outlet on the inverter. Can't read more than 13 volts when no converter is running. If the inverter is putting out power on its gfi duplex,it is your inverter transfer switch.
__________________
2015 335DS
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06-04-2018, 09:22 AM
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#7
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by danpophin
When off shore power the inverter is indicating 13.2 volts. I have tested the GFI breaker and it is okay. How do I tell if the inverter is not producing power?
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If there is a gfi outlet on the inverter and it has 120 volts then the inverter is working.
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06-04-2018, 09:24 AM
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#8
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by ScottBrownstein
Plug something into the gfi outlet on the inverter. Can't read more than 13 volts when no converter is running. If the inverter is putting out power on its gfi duplex,it is your inverter transfer switch.
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 GFI outlet is 120 volts AC
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06-04-2018, 09:26 AM
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#9
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Senior Member
Join Date: Jan 2015
Location: Englewood FL
Posts: 2,797
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Concatenated two answers to the OP. One was measured dc voltage to the inverter, the other was on the ac side. Sorry to be so abbreviated.
__________________
2015 335DS
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06-04-2018, 09:30 AM
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#10
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by danpophin
When off shore power the inverter is indicating 13.2 volts. I have tested the GFI breaker and it is okay. How do I tell if the inverter is not producing power?
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That's good. That's your battery voltage. Now measure the 120 volt AC GFI outlet. be sure it is reset. If it is and shows 120 volt than the inverter is working. If the GFI does not test and reset, then the inverter is not working.
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06-05-2018, 10:36 AM
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#11
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Senior Member
Join Date: Feb 2018
Location: Northwest Louisiana
Posts: 102
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Transfer switch
This what my transfer switch looks for reference.
Test the gfi output on the inverter as mentioned.
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06-05-2018, 02:17 PM
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#12
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Junior Member
Join Date: Sep 2016
Posts: 23
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Sorry for the slow response, got tied up with a work assignment. Appreciate your quick response. The inverter is a Prowatt SW 2000. The Power light is on with a green light and the display shows 13.1 when plugged into shore power. When disconnected to shore power, voltage drops steadily. Plug in a fan into the GFI and no response. Pushed the test button and tried to push the reset button, but it was already depressed. Looks like the GFI is bad. Don't see how to replace the GFI. I looks to be integrated into the Inverter. Any more ideas?
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06-05-2018, 02:21 PM
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#13
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Junior Member
Join Date: Sep 2016
Posts: 23
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Sorry, don't understand if the GFI will not test and reset it is the inverter that is not working. I cannot reset the GFI.
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06-05-2018, 03:02 PM
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#14
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Senior Member
Join Date: Feb 2018
Location: Northwest Louisiana
Posts: 102
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I just replaced that exact model but I had error codes and bad electrical smell. Use a volt meter and check your input to the inverter. I’ll look at my old one when I get home and see if the gfi can be replaced.
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06-05-2018, 03:04 PM
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#15
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by danpophin
Sorry, don't understand if the GFI will not test and reset it is the inverter that is not working. I cannot reset the GFI.
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Do you have 12 volts to the inverter?
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06-05-2018, 03:31 PM
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#16
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Junior Member
Join Date: Sep 2016
Posts: 23
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Just got off the phone with Xantrek and they say the unit is not repairable and I will need to buy a new one. It is only 22 months old. But at least I know what to do now. Thanks for all of the help from everyone. Great site.
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06-05-2018, 03:32 PM
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#17
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Junior Member
Join Date: Sep 2016
Posts: 23
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I have 12 volts to the inverter. Looks like the GFI on the inverter has gone bad and this is a unit that is not repairable.
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06-05-2018, 04:44 PM
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#18
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Senior Member
Join Date: Jun 2015
Location: Payson, AZ
Posts: 3,871
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i'd check a bit more. there have been quite a few posts about the gfci going bad on an inverter and the problem being corrected by replacing the gfci. what i do not know is the brand of inverters that this was done on. but the gfci is a standard one that you can buy at home depot. if you're planning on replacing it there's no harm in opening it up and taking a look.
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2015 cardinal model 3825fl
2015 dodge ram 3500 dually
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