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Old 05-07-2021, 04:06 PM   #43
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Update: The coach is at Winnebago for repairs. It is pretty much determined that a bad circuit breaker in the pedestal was dropping voltage on one leg to 37 to 45 volts. This was determined by chasing the low voltage, with the last thing done was changing out the breaker on the pedestal. After that all my voltages everywhere are correct.

That said, as I pulled into the campground, the owner stopped me, and said to keep track what it cost to fix the issue it caused on my coach. I had never said a word about responsibility for a failed shore power. Pretty stand up guy. If your ever in southern Minnesota shoot me a message or post hear. It's a no frills campground but on a trout stream and the friendliest people you will find anywhere. Great rates too.
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Old 05-07-2021, 04:10 PM   #44
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Update: The coach is at Winnebago for repairs. It is pretty much determined that a bad circuit breaker in the pedestal was dropping voltage on one leg to 37 to 45 volts.
.

Call me SKEPTICAL. If a breaker saw an input voltage of 120 VAC and output voltage of 37-45 VAC, and any amperage at all on that circuit, you would have a FIRE.


The amount of resistance needed to produce that kind of voltage drop would be WOW.
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Old 05-07-2021, 06:21 PM   #45
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I had a similar occurrence - 175 vac on line 1 and +200 on line 2. It didn't hurt my coach because I had a Progressive Industries PT-50 plugged into the pedestal, and it didn't let power through to the coach. The CG had their electrician come out and replace the breaker, all good.

I like the external electrical protection over one mounted in the coach. Another plus is being able to check the pedestal before finalizing on a site. Was at a CG in Michigan and checked three pedestals before finding one that was good. Definitely a good investment.

Are you the first owner of the coach? I'm third on this one. Factory equipped with some internal EMS that must have failed because it physically isn't in the coach anymore. I've looked, and found the plain ATS that replaced it.

Hope Winnebago gets it back to 100% for you.
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Old 05-07-2021, 06:22 PM   #46
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I has been my experience that chinese capacitors only give a 5+/-yr life before replacement required?
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Old 05-08-2021, 08:15 AM   #47
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Plug issue

Had same thing happen to us at campground during Florida evacuation due to hurricane. Turned out to be not the plug. Took off plate at RV plug in and wires not connected properly at time of service. So once I tighten the loose wiring everything worked as it was surprise to. Might want to take a look to see if that is the origin of your problem.
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Old 05-08-2021, 01:34 PM   #48
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I have a 2005 Journey 39K. Several years ago I lost all 110 power within the rig. Took rig to local RV service dealer and they were not able to find the solution. Finally went to Forrest City. Two things were found. (1) one of the thick high amp wires into the inverter charger had come loose. (2) there are 4-drop out relays that protect various 110 appliances. One of the relays was bad and was replaced. I do not recall which relay was the problem and where it was located. But later I did go online and copy the entire electrical system diagrams for a 2005 model 39K Journey so that in the future I would be better prepared to trace out a problem. This did help me in later years to figure out why I lost 110 power to the electric side of the hot water heater and why the red light was not coming on when placed in the on position.

Hope this provides some help in your trouble shooting your problem.

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Old 05-08-2021, 02:11 PM   #49
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Mexican Voltage controller

Amosnandy,
That box you have is the same as mine. I winter in Mexico so these units are really needed. I've seen voltages even lower than your observations. 90 volts isn't uncommon.
These Sola Basic units are multi-tap transformers that switch to the appropriate tap with the internal relays. One tap will lower voltages when the input is high while other taps raise voltages when the input drops. I don't have the specific voltages handy but I did a complete test on mine using a variable transformer (Variac).
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Old 05-08-2021, 10:39 PM   #50
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Tight is NOT always tight; BIL had tablesaw loose pulley problems for years, finally one day, pulled pulley, removed allen setscrew and found pulley was NOT drilled all the way thru to shaft hole, LOL. Murphy RULES
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Old 05-09-2021, 06:42 AM   #51
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Tight is NOT always tight; BIL had tablesaw loose pulley problems for years, finally one day, pulled pulley, removed allen setscrew and found pulley was NOT drilled all the way thru to shaft hole, LOL. Murphy RULES

Yep, and sometimes there is a loose nut on the end of the screwdriver. I have that award.
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Old 05-09-2021, 06:51 AM   #52
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I had a similar occurrence - 175 vac on line 1 and +200 on line 2. The CG had their electrician come out and replace the breaker, all good.

Actually, with those kinds or readings, suspect an OPEN NEUTRAL. Bad breakers would not cause that.
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Old 05-09-2021, 04:47 PM   #53
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We have the shorty (and an older version) of OP's coach. The EMS we have is just a power shed device, I replaced our charger/converter with a Progressive Industries unit as soon as we bought the rig (3rd owners) - House batts were replaced also and are over 5 years old and extremely healthy (we dry camp a fair amount).

We found that the basement air/heat pump units, which should be the same as OP's, run just fine on 30A service, plus we've found a number of campgrounds that don't even offer 50A.

Few years back was reading about MH fires and equipment getting burned up by poorly wired 240V pedestals and made the decision to Only run on 30A service (harder to screw up) or the Diesel Genset. And I put an in-line Progressive Industries 30A EMS/Surge unit.

One of our favorite campgrounds, as it turns out, runs low on the 120V in summer when folks in the CG are running their ACs. And the unit shuts power off to the rig and saves our AC units, just as you'd want...

Hope it all got fixed and it is very stand-up that the CG owners will cover repairs (I'm sure they have insurance).
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Old 05-10-2021, 02:58 AM   #54
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Actually, with those kinds or readings, suspect an OPEN NEUTRAL. Bad breakers would not cause that.
Plus 2 on the above statement! That was a neutral problem. It would be nice if a simple breaker change could fix that.
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Old 05-10-2021, 07:05 AM   #55
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Yep, and sometimes there is a loose nut on the end of the screwdriver. I have that award.


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Old 05-10-2021, 04:43 PM   #56
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Call me SKEPTICAL. If a breaker saw an input voltage of 120 VAC and output voltage of 37-45 VAC, and any amperage at all on that circuit, you would have a FIRE.


The amount of resistance needed to produce that kind of voltage drop would be WOW.
You are correct. That is the line that burned up the motor start capacitor and whatever is yet to be found by Winnebago.

I am impressed. I did a no appointment drop off Thursday and they called this morning to inform me my inverter was indeed fried. So while they haven't gotton to all of it, at least they had it inside within a day or two.
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