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06-01-2015, 05:36 AM
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#1
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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generator issues
I have a Coachman 5th wheel with a Progressive Industries EMS hardwired protection unit. Recently bought a Champion generator that has a 30 amp RV plug already on generator. Tried to use for first time Saturday, and get a E2 fault, open ground. Does the generator need any type of grounding or is there a possible problem with my new generator?
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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06-01-2015, 05:43 AM
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#2
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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06-01-2015, 05:47 AM
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#3
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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I've come across that while researching, but was wondering if it would be necessary or not since it has an RV outlet on it. You would hope they would have addressed this.
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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06-01-2015, 06:17 AM
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#4
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RV Electricity Expert
Join Date: Apr 2013
Posts: 99
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Quote:
Originally Posted by davel1971
I've come across that while researching, but was wondering if it would be necessary or not since it has an RV outlet on it. You would hope they would have addressed this.
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Seems like a logical thing to do, right? But I'm pretty sure that Champion has not bonded the neutral-ground on this generator just because it has a TT-30 outlet. Adding a G-N bonding plug to the 20-amp receptacle is cheap and easy while connected to your RV, and it can easily be removed if you want to use this generator to power your home electrical system via a proper transfer switch.
Mike Sokol
No Shock Zone
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06-01-2015, 06:26 AM
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#5
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Quote:
Originally Posted by jmsokol
Seems like a logical thing to do, right? But I'm pretty sure that Champion has not bonded the neutral-ground on this generator just because it has a TT-30 outlet. Adding a G-N bonding plug to the 20-amp receptacle is cheap and easy while connected to your RV, and it can easily be removed if you want to use this generator to power your home electrical system via a proper transfer switch.
Mike Sokol
No Shock Zone
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Seems like Expert advice since Mike (Wrote the Book!) Youroo!!
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06-01-2015, 06:44 AM
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#6
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RV Electricity Expert
Join Date: Apr 2013
Posts: 99
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Quote:
Originally Posted by youroo
Seems like Expert advice since Mike (Wrote the Book!) Youroo!!
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I plan to send of copy of my No~Shock~Zone book to the engineering department at Champion. They could easily include a G-N plug with this model generator and document when to use it.
Please email me a picture of your generator with a G-N bonding plug if you can. I'll send that along to Champion as well. My email is listed below.
Mike Sokol
No Shock Zone
mike@noshockzone.org
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06-01-2015, 07:22 AM
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#7
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Mike I was just (Backing You Up) I have a Honda Gen! Maybe PI needs to include a Check List also about (SOME Gen) not working with their units (Without THE PLUG) Mod? Youroo!!
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06-01-2015, 10:56 AM
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#8
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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I'll be making one this week and post results here. Thanks
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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06-01-2015, 05:01 PM
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#9
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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If anyone else has any solutions, ideas or input, please add
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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06-01-2015, 05:10 PM
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#10
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Senior Member
Join Date: Apr 2013
Location: Idaho
Posts: 2,058
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I believe you can flip the bypass switch on the remote display. It will bypass the unit, but still give surge protection. Never tried it since I did the plug.
From manual:
Bypass switch: This switch is located on the remote panel, and allows the user to bypass the computer circuit in the EMS in the event of computer failure, thus allowing source power into the RV. This does not disable the surge protection portion of the EMS
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06-01-2015, 05:35 PM
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#11
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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I thought about doing that, but since I just put in a new ac unit the same day, wasn't taking any chance of frying anything.
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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06-01-2015, 05:54 PM
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#12
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Senior Member
Join Date: Feb 2015
Location: in my new 29hfsxlr
Posts: 1,658
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Quote:
Originally Posted by davel1971
I have a Coachman 5th wheel with a Progressive Industries EMS hardwired protection unit. Recently bought a Champion generator that has a 30 amp RV plug already on generator. Tried to use for first time Saturday, and get a E2 fault, open ground. Does the generator need any type of grounding or is there a possible problem with my new generator?
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That's because the generator is not grounded . there is a place on the genset to add a ground wire . I use a solid piece of copper run it into the ground and then have a 8ga wire with a clip on it hooked into the generator .
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06-01-2015, 05:57 PM
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#13
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by northstar1960
That's because the generator is not grounded . there is a place on the genset to add a ground wire . I use a solid piece of copper run it into the ground and then have a 8ga wire with a clip on it hooked into the generator .
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Incorrect.
It needs a neutral bonded plug as suggested by fonzi.
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "9 nights"
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06-01-2015, 06:10 PM
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#14
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Senior Member
Join Date: Jun 2011
Location: Big brown desert
Posts: 3,003
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When I run a single honda 2000, I use the grounded plug. When both units are parrelled, I have to flip the bypass switch.
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2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
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Just glad to get away
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06-01-2015, 09:42 PM
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#15
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RV Electricity Expert
Join Date: Apr 2013
Posts: 99
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Quote:
Originally Posted by northstar1960
That's because the generator is not grounded . there is a place on the genset to add a ground wire . I use a solid piece of copper run it into the ground and then have a 8ga wire with a clip on it hooked into the generator .
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That's not true. You're confusing earth grounding with neutral bonding. The ground rod by itself doesn't provide the correct low impedance "ground" path back to the neutral, so many EMS protectors (Electrical Management Systems) will interpret it as an open "ground" and shut down the power.
Portable generators feeding a single load system such as an RV don't require a ground rod of any type to be Code compliant. However, they really should be Ground-Neutral bonded since a lot of modern electronics will behave badly without a ground plane tied to the neutral.
Mike Sokol
No Shock Zone
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06-01-2015, 09:46 PM
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#16
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RV Electricity Expert
Join Date: Apr 2013
Posts: 99
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Quote:
Originally Posted by HONDAMAN174
When I run a single honda 2000, I use the grounded plug. When both units are parrelled, I have to flip the bypass switch.
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I've encountered this before. It's caused because the interconnecting jumpers between the two gensets are not color coded, so there's a 50/50 chance of getting the one generator's polarity flipped. If you're using a companion generator, then that's the one that should have my G-N bonding plug installed. If you're using an aftermarket kit with a separate TT-30 outlet, then you should mark your jumper cables with colored electrical tape to be sure you connect them with proper polarity each time you hook up. There's no damage done to the generators if they're connected out of polarity, but it will make your EMS think that the Neutral and Hot have been reversed which is shutting you down.
Mike Sokol
No Shock Zone
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