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09-27-2018, 12:29 PM
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#1
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Junior Member
Join Date: Feb 2014
Posts: 17
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No AC from generator.
I went to the RV storage lot today to charge the batteries and I am getting no AC (that’s AC current, not air conditioning)in the coach when running the generator. (Onan 7500). The Xantrex does not show any charging. The generator starts and runs normally. Everything works fine on Park power. I haven’t found any tripped breakers or fuses.
Any ideas about where to look next?
Thank you in advance for any suggestions!
__________________
2004 Dutch Star 3812
Freightliner, Cat C-7 330 hp
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09-27-2018, 12:37 PM
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#2
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Senior Member
Join Date: Jul 2014
Posts: 35,419
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Did you check the breakers right on the generator ?
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09-27-2018, 12:41 PM
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#3
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Senior Member
Join Date: Dec 2017
Posts: 138
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Depending on what type of inverter you have it could be the fuses on your inverter popped.
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09-27-2018, 12:42 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Transfer switch problem?
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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09-27-2018, 12:57 PM
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#5
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Senior Member
Commercial Member
Join Date: Aug 2012
Posts: 726
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When you say you checked the circuit breakers, did you check the breakers on the generator?
Also, you must toggle them off and back on to be sure. They don’t always look tripped.
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09-27-2018, 01:06 PM
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#6
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,719
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I bump my generator breaker off all the time checking the oil. Very common for the generator breaker to trip.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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09-27-2018, 01:44 PM
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#7
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Senior Member
Join Date: Nov 2013
Posts: 5,774
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My generator, if it has set for a while, will run but will not show power in the coach. I have found that after toggling the generator breakers a few times it works fine.
__________________
2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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09-27-2018, 03:00 PM
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#8
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by Newmar Tom
I went to the RV storage lot today to charge the batteries and I am getting no AC (that’s AC current, not air conditioning)in the coach when running the generator. (Onan 7500). The Xantrex does not show any charging. The generator starts and runs normally. Everything works fine on Park power. I haven’t found any tripped breakers or fuses.
Any ideas about where to look next?
Thank you in advance for any suggestions!
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For clarification AC is electric. A/C is air conditioning. Check the Generator breakers.
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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09-27-2018, 04:01 PM
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#9
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Senior Member
Monaco Owners Club
Join Date: Sep 2014
Posts: 4,569
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Many Onan's won't stay running unless they are producing AC.
With that in mind it likely is somewhere between the output of the genset and the transfer switch. I vote for the transfer switch.
__________________
1996 Tioga Class C
2007 Monaco Diplomat 40 PDQ
TOAD 2012 Cadillac SRX 4
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09-27-2018, 04:19 PM
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#10
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Junior Member
Join Date: Feb 2014
Posts: 17
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It was the generator circuit breaker. Apparently I bumped it the other day when cleaning it. Thanks to all.
__________________
2004 Dutch Star 3812
Freightliner, Cat C-7 330 hp
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09-28-2018, 08:12 AM
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#11
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Senior Member
Monaco Owners Club
Join Date: Sep 2014
Posts: 4,569
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 Doh!
__________________
1996 Tioga Class C
2007 Monaco Diplomat 40 PDQ
TOAD 2012 Cadillac SRX 4
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09-30-2018, 08:25 PM
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#12
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Mar 2016
Location: Yorktown
Posts: 444
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Yep! Did the exact same thing then hit the road for our maiden voyage. Could not figure out why the coach A/C was not working. Figured out after an hour.
__________________
Karen & Arthur
2014 Newmar MA 4369 Pulling our 2013 Ram 1500
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