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01-06-2022, 03:56 AM
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#1
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,331
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Complete electrical shutdown, any ideas
We have had three electrical shutdowns by our system because of high voltage on the pedestal. On each of them our complete system is off, 12 volt included will not work. No lights, no generator, nothing I'm at a loss. Any ideas on where to start?
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Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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01-06-2022, 04:32 AM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,341
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Does everything return to normal after a short period of time?
If so I’m wondering if the spike sends to much to the battery(s) and pops the resettable circuit breaker on the battery lead.
You do have an EMS?
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-06-2022, 04:59 AM
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#3
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Senior Member
Join Date: Jan 2013
Location: Indiana
Posts: 2,715
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Do you have an EMS (surge protector) on your camper. When they detect power fux they are designed to shut the trailer down. The better ones will reset after a while, or at least when you unplug shore power and plug back in again?
If not, it's VERY possible a power surge fried stuff inside your camper.
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2019 Montana High Country 375FL
2014 Chevy Duramax HD 6.6 - 3500 Diesel Dully Long bed Crew Cab
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01-06-2022, 05:34 AM
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#4
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,331
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Yes, we do have a built-in EMS, and yes, everything does return to normal in the same 15 minute span.
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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01-06-2022, 05:37 AM
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#5
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,341
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I can understand the AC stuff shutting off, it’s the loss of 12V that has me wondering. I would follow the battery lead to the first connection, probably a circuit breaker.
Check the voltage at the battery, unplug and check again so you know that your converter is working and your battery isn’t shot. Then if it happens again, test for voltage on each side of the circuit breaker.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-06-2022, 05:53 AM
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#6
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,836
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I’m wondering if your transfer switch is still seeing voltage
Maybe it’s wired so the ems is protecting your panel but wired after the the transfer switch? The ems is keeping all of your inside power off but the transfer switch doesn’t know to switch over to generator…..if you were completely disconnected ..ie the cord pulled out of site receptacle it would switch over.
Or a bad transfer switch…wiredgeorge had that happened to brother-in-law brand new rv if I remember correctly.
The 12 volt could be related as the resettable fuses could be popped but the converter is off until the ems resets.
Could also be a bad battery on the 12 volt side that is a coincidence and showing itself when the other problem happens.
Possibly converter was overcharging for a moment before ems kicked out and tripped resettable fuses
If it happens again unplug from shore power and see if it switches to generator
You would never see this problem arise or be able to test it unless you were plugged into shore power and the ems was in protection mode because of power issues on the pedestal
If you were plugged in to shore power and switched off the pedestal breaker then the transfer switch would not see voltage and would then work normally
__________________
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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01-06-2022, 06:13 AM
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#7
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,331
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"Check the voltage at the battery, unplug and check again so you know that your converter is working and your battery isn’t shot."
I will check both batteries, etc, as soon as we return from the physical therapist and report back.
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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01-06-2022, 06:47 AM
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#8
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,751
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First question, is your site the only site with this issue? The loss of the 12vdc is what's concerning to me. The only correlation or direct connection of the 120v ac and 12v dc system is the converter. That would be my first suspect as loosing both systems is not a coincidence .
As a footnote I hope your wife is progressing well. I like the old shows on Grit but not as an only channel to watch.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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01-06-2022, 08:15 AM
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#9
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,690
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I'm thinking batteries. If you lose AC power because the EMS shuts down the 12v side should still work if the batteries were good. If you lose power and the batteries are bad you would lose both 120vac and 12vdc until the converter came back on line with the AC to then give you 12vdc again. Good luck at the the physical therapist.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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01-06-2022, 08:37 AM
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#10
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,836
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Quote:
Originally Posted by sourdough
I'm thinking batteries. If you lose AC power because the EMS shuts down the 12v side should still work if the batteries were good. If you lose power and the batteries are bad you would lose both 120vac and 12vdc until the converter came back on line with the AC to then give you 12vdc again. Good luck at the the physical therapist.
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I agree but his generator should kick in unless the transfer switch is wired before the ems..that’s why I think batteries or bad resettable fuse is also the problem
__________________
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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01-06-2022, 08:52 AM
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#11
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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Quote:
Originally Posted by jasin1
I agree but his generator should kick in unless the transfer switch is wired before the ems..that’s why I think batteries or bad resettable fuse is also the problem
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Hypothetically, if the batteries are discharged, there's no power to turn over the generator starter to get it running.. Blown "reverse polarity fuses" on the converter would prevent ALL trailer power when the EMS shuts down shore power and the generator can't start without battery power which is recharged by the converter, only so long as the reverse polarity fuses are intact.....
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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01-06-2022, 09:08 AM
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#12
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,836
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Quote:
Originally Posted by JRTJH
Hypothetically, if the batteries are discharged, there's no power to turn over the generator starter to get it running.. Blown "reverse polarity fuses" on the converter would prevent ALL trailer power when the EMS shuts down shore power and the generator can't start without battery power which is recharged by the converter, only so long as the reverse polarity fuses are intact.....
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Hmmm I didn’t consider the batteries not being able to start the genset
I still stand by my wired before the ems theory lol
__________________
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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01-06-2022, 08:52 AM
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#13
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,690
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Quote:
Originally Posted by jasin1
I agree but his generator should kick in unless the transfer switch is wired before the ems..that’s why I think batteries or bad resettable fuse is also the problem
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Ahhh, genset...missed that.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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01-06-2022, 04:40 PM
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#14
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,462
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Once they get done fiddling with the power, check power coming in to the hardwired EMS and see if you are getting the correct AC voltage. Does that make sense? Check AC coming out of the EMS and going to the breakers and converter. If nada, bypass the EMS and see if Progressive will honor its warranty and see how fast they will send it while you go direct from pedestal to AC breakers. Then, of course, check out of your converter if there is no DC as the converter may be toast but I am guessing the EMS fried if the power now coming off the pedestal is now ok.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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01-06-2022, 08:22 PM
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#15
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Senior Member
Join Date: Dec 2019
Location: Trinidad,TX
Posts: 975
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Those voltage readings are from the converter. A battery won't hold voltage high. The batteries need to be checked after the RV is unplugged and allowed to rest for a bit, or the batteries disconnected from the RV.
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Woody
Cedar Creek Lake, Texas
2019 Laredo 290 SRL
2019 Ram 2500, 4x4, Cummins diesel
Andersen hitch
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01-07-2022, 05:53 AM
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#16
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,341
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The parks power may have taken out part of the power management system.
https://www.precisioncircuitsinc.com...nagement-120v/
I would talk to them.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-06-2022, 09:02 PM
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#17
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,751
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From the way I read post #16 the power was off and he disconnected the batteries and recorded the voltage.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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01-07-2022, 05:01 AM
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#18
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,331
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Marshall, you a correct, batteries disconnected, connected, power off and power on at pedestal.
We had no interruption in power last evening, but I still have a dark EMS panel.
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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01-07-2022, 06:32 AM
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#19
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,836
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Quote:
Originally Posted by notanlines
Marshall, you a correct, batteries disconnected, connected, power off and power on at pedestal.
We had no interruption in power last evening, but I still have a dark EMS panel.
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Jim I pulled a schematic from Chucksters post..it’s a similar panel with the DRV wiring diagram…has the refrigerator monitor also but that’s irrelevant..anyway it looks like there should be a fuse for the monitor panel right at the battery
Maybe when you were checking the voltage and disconnected the battery’s you left that wire off? Or the fuse is blown…should be around the battery’s somewhere…that may be why everything is working now after the utility workers fixed the pedestal but the monitor is dark…the ems is doing its job now possibly but the monitor is just not displaying
__________________
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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01-07-2022, 06:02 AM
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#20
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Senior Member
Join Date: Dec 2019
Location: Trinidad,TX
Posts: 975
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Quote:
Originally Posted by flybouy
From the way I read post #16 the power was off and he disconnected the batteries and recorded the voltage.
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You are correct, they were disconnected, but apparently not allowed to rest. A 12 volt battery won't stabilize at voltage that high.
__________________
Woody
Cedar Creek Lake, Texas
2019 Laredo 290 SRL
2019 Ram 2500, 4x4, Cummins diesel
Andersen hitch
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