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02-16-2019, 08:36 PM
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#1
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Junior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Aug 2018
Posts: 17
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Electrical outlets not working on shore power
I’m camping on 50a shore power. However, the electrical outlets and fireplace only working with the inverter enabled.
I’ve checked all breakers are ok. Usually the inverter goes into a pass-thru mode. Now only enabled and disabled available.
Any experience with this? What can I look for?
__________________
Dennis L. & Verniece W.
2019 Newmar New Aire 3343, Cummins 360Hp
2016 GMC Yukon Denali Toad
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02-16-2019, 10:19 PM
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#2
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Dont think you have shire power getting to the RV. Check that the breaker is on at the pedustal. Check that shire power is good.
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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02-17-2019, 03:43 AM
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#3
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,208
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1) Do they work when running generator?
2) Have you checked your GFCI?
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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02-17-2019, 05:31 AM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Look on the inverter for a push button or switch like breaker. It may be tripped.
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02-17-2019, 08:21 AM
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#5
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Registered User
Join Date: Oct 2016
Posts: 2,078
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Quote:
Originally Posted by DDLonghorn
I’m camping on 50a shore power. However, the electrical outlets and fireplace only working with the inverter enabled.
I’ve checked all breakers are ok. Usually the inverter goes into a pass-thru mode. Now only enabled and disabled available.
Any experience with this? What can I look for?
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Curious as to what the power management shows, amps drawn, voltage and so on.
We have the same coach with mine being a 2016
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02-18-2019, 02:30 PM
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#6
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Senior Member
Join Date: Feb 2014
Location: Pensacola FL
Posts: 1,451
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On the 2019 the Firefly system is the interface with the inverter. On a 2016 I don't know if Firefly was integrated on that coach or not. I would suspect there is a separate inverter control box for that coach. The new Thor customer service section on their web site was very good at supplying me with year specific information on my coach.
https://www.thormotorcoach.com/owner-resource/
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Brenda & AL
2017 Thor Venetian, T42 "Groot"
2020 Chevy Sonic, 2019 KTM 790 Duke
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02-18-2019, 05:18 PM
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#7
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Junior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Aug 2018
Posts: 17
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Thank you all for the feedback.
1. I believe that I had shore power because the Firefly interface said I did and the heat pumps were running.
2. I found the push button breaker on the Magnum MS2812 inverter/charger tripped. I reset it. The inverter then would engage.
3. I tried the generator AC power and had same result.
3. Inverter Firefly error message was that the transfer switch had a fault or no reading. So I suspect this is an issue with the inverter internal transfer switch.
The next morning I found that the hydraulic pump and generator would not function. Couldn’t retract leveling jacks nor slides. Called Thor customer service emergency technician. He was able to talk me through problem to locate a tripped 100 amp breaker in the outside inverter compartment. This was a Sunday. Glad to get home.
__________________
Dennis L. & Verniece W.
2019 Newmar New Aire 3343, Cummins 360Hp
2016 GMC Yukon Denali Toad
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02-19-2019, 09:36 AM
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#8
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Registered User
Join Date: Oct 2016
Posts: 2,078
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Quote:
Originally Posted by DDLonghorn
Thank you all for the feedback.
1. I believe that I had shore power because the Firefly interface said I did and the heat pumps were running.
2. I found the push button breaker on the Magnum MS2812 inverter/charger tripped. I reset it. The inverter then would engage.
3. I tried the generator AC power and had same result.
3. Inverter Firefly error message was that the transfer switch had a fault or no reading. So I suspect this is an issue with the inverter internal transfer switch.
The next morning I found that the hydraulic pump and generator would not function. Couldn’t retract leveling jacks nor slides. Called Thor customer service emergency technician. He was able to talk me through problem to locate a tripped 100 amp breaker in the outside inverter compartment. This was a Sunday. Glad to get home.
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Glad you are home
Let us know what caused the 100 amp breaker to trip when you get it fixed
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02-19-2019, 02:39 PM
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#9
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Senior Member
Damon Owners Club Freightliner Owners Club
Join Date: Mar 2006
Location: North East Texas
Posts: 4,946
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Quote:
Originally Posted by lwmcguire
Glad you are home
Let us know what caused the 100 amp breaker to trip when you get it fixed
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yep what tripped the 100 amp dc breaker?
your magnum will trip out before the 100 amp would trip.
when was last time you checked torque on ALL a/c lines at the breakers and transfer switch?
__________________
USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, #3998 no your eyes are fine, there are really 6 slides
2022 F150 King Ranch or 2012 Edge toads
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02-19-2019, 02:57 PM
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#10
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Senior Member
Join Date: Jul 2014
Posts: 35,317
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Quote:
Originally Posted by lwmcguire
Glad you are home
Let us know what caused the 100 amp breaker to trip when you get it fixed
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May have bumped it while looking for the inverter breaker.
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02-20-2019, 01:00 AM
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#11
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Senior Member
Join Date: Mar 2015
Location: Greensboro, NC
Posts: 2,728
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Would low battery voltage cause high amperage draw when a heavy load was engaged? Maybe attempting to move slide when batteries are low? Or would the low batteries just not move the slide?
__________________
1998 Min Winnie, 2000 Winbago Journey, 2015 ACE 29.3
2016 Thor Miramar 34.2
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02-20-2019, 12:45 PM
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#12
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Registered User
Join Date: Oct 2016
Posts: 2,078
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Quote:
Originally Posted by triplewide
Would low battery voltage cause high amperage draw when a heavy load was engaged? Maybe attempting to move slide when batteries are low? Or would the low batteries just not move the slide?
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Yes, the amperage would increase due to the percentage of low voltage however most slide system will not operate unless the voltage is around 12.5
This varies based on the different controllers and many coaches require the engine to be running when using the hydraulic pump or slide motors
Not an expert on this but just my current and past experience
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02-21-2019, 04:19 AM
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#13
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Senior Member
Join Date: Mar 2015
Location: Greensboro, NC
Posts: 2,728
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Thanks for the info. I'm also looking forward to what the OP finds.
__________________
1998 Min Winnie, 2000 Winbago Journey, 2015 ACE 29.3
2016 Thor Miramar 34.2
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