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11-28-2020, 09:30 PM #1
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Bedroom A/C and GFCI outlets not working
Hello everyone! I was hoping I could get some help with an electrical issue. I have a Solitude S-Class 3550 BH. Hooked the rig to shore power, bedroom A/C won’t kick on... you can hear the thermostat click, but the A/C itself won’t turn on. No breakers are tripped. But, just for kicks, I threw them all and turned them back on, including the MAIN. Also, none of the outlets in the bedroom work. The GFCI plug in the bathroom won’t reset. There’s no lights on it at all. I’m a little sick to my stomach. This seems like a really major, screwed up mis-wired fiasco that I will never solve. None of what I just named should be related, should it? The GFCI outlets and the secondary A/C aren’t on the same breaker. We’ve been working our way down FL headed to Key West. We get there tomorrow, so just as it’s getting hotter, I’m down an A/C. It was working fine yesterday. I have a Progressive Surge Protector. It indicates voltages are normal.
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11-28-2020, 09:33 PM #2
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I’m thinking I should go buy a voltage tester, a GFCI outlet, and a breaker and hope some of that miraculously fixes everything.
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11-28-2020, 10:41 PM #3
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I am not sure how much you know about RV wiring so, I might be getting too simple here, but, I will try to help you figure this out...
The first thing to understand is with your 50 amp connection you have two, individualized, 120 volt wires coming into your coach, generally, one wire powers the front half of the coach and the other wire powers the rear half of the coach.
When wiring up the coach they try to "Balance" the load on each wire so your breakers are not tripping all the time. It would make no sense to put the Microwave and both Air Conditioners on the same wire (circuit) and not much else on the other wire (circuit). Consequently, the front A/C is on one circuit and the rear A/C is on the other circuit.
It sounds like one of your circuits is either not receiving power, or the voltage on that circuit is too low to operate your A/C.
FYI: The thermostat operates on 12 volts so that will appear to be operating properly even without 120 volt power to the A/C unit.
Has this problem been happening at different campsites while you have been traveling?
Have you always been plugged into a 50 amp outlet, or are you using an adapter to connect to a 30 amp outlet?
If you have been experiencing this problem at multiple campgrounds, and you have always been plugged into a 50 amp outlet, then you definitely have a problem with your wiring.
If this problem only happens when you are plugged into a 30 amp outlet via your adapter, then you have a problem with your adapter. Some 50a to 30a adapters only pass electricity to a single leg (wire) of the 50a cord which would explain why you have one half of your coach without power, other adapters take the 30 amp output and pass the electricity to both legs (wires) of the 50a cord so you have 120 volt power to your entire coach.
The fact that your bathroom GFCI will not reset also indicates that one of your circuits is not getting power from the pole.
Campgrounds are notorious for having Electrical problems so, quite often, the problem is not with your coach, but with the connection at the pole or the breaker feeding the outlet on the pole.
The best way to figure out exactly where the problem is, is with a Volt Meter and understanding what voltages you should be seeing from each leg of the outlet.
Let us know if this helped and exactly what the problem was.David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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11-29-2020, 05:35 AM #4
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Thanks for the quick reply. This is my second GD RV, so I knew some of what you said, but wouldn’t never put them all together. I was worried some wires were shorted out in the wall or some horrible, undiscoverable, unfixable problem. But this makes total sense. Nothing on this leg is working... not the bedroom tv, none of the outlets, or the bedroom A/C unit. We are only at this campground for one night... just a last stop before heading into the Keys. Everything was working fine yesterday in Crystal River, so it would make sense there’s something wrong with the 50 amp service at this campsite. I’m not using an adapter. It’s supposed to be 50-amp here. I guess I figured if something as screwed up as the voltage being too low or nonexistent on one leg, this Progressive surge protector would indicate that somehow. Not I’m getting the solid green, solid blue “everything’s hunky-dory” signal from it. I wish I was a better electrician. We live in the sticks in MS, so I’ve wired sheds, my workshop, my barn, etc... always following one of those “idiots guide” diagrams, but I’m still dangerous when trying to figure out someone else’s wiring. I’ll let you know what happens when I hook to another shore power this afternoon.
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11-29-2020, 06:41 AM #5
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My hardwired Progressive unit has a display that shows the incoming voltage for each leg. If your Progressive unit is similar can't you look at the display to determine if you have power to each leg?
John & Cindy
2019 Reflection 303 RLS
2018 Ford F250 6.7 PSD
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11-29-2020, 08:29 AM #6
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Reinsert the shore power connector into the trailer. It’s not hard to have it partly inserted and have one leg not work.
John & Kathy
2014 F250 Lariat FX4 6.2L SBCC
2014 Reflection 303RLS
SW Indiana
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11-29-2020, 12:09 PM #7
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11-29-2020, 02:47 PM #8
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It was faulty wired shore power at previous campground
Solar powered RV, you were right. It was the campground’s shore power supply. Pulled into Boyd’s Key West this afternoon. Everything is working fine. I guess that whole leg of the 50-amp at Southern Comfort in Honestead, FL was bad. I wish I’d checked my progressive unit to see if it indicated one leg was indeed bad. But that’s all it was. Thank goodness. You saved me the trouble of attempting some potentially dangerous “amateur electricianing” ;-)
Last edited by robevans80; 11-29-2020 at 02:49 PM. Reason: Left out clarifying info
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12-13-2020, 08:31 PM #9
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Have you opened the panel to check that all the wires are connected? My guess is a wire has come loose. Be sure all power sources are off when opening the electrical panel!
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08-28-2022, 09:13 AM #10
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Hmmm, I know this is an old thread but perhaps this could be my problem. A/C in Bedroom and GFI outlets do not work while running on the generator (Cummins 5500LP). Maybe a leg out from the generator??
*** EDIT --- This solved my problem! Generator has two breakers, a 20 and 30 amp. 20 amp was tripped. Now everything works wonderfully.Last edited by DieselJ; 08-28-2022 at 09:35 AM.
Reflection swivel table question
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