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Topic: no 110/120 voltage (Read 431 times) previous topic - next topic

no 110/120 voltage

This evening, I heard a loud click and then I had no shore power. The only things left on were connected to 12 volt. I went inside the "shore" house thinking I had tripped a breaker. But I hadn't. 

Then I came back out to the foretravel and checked the breakers. Nothing seemed tripped there either..... Then I turned on the generator (which usually makes the 110 system turn on), and ..... nothing... Well, the generator is on but that's it.

Any thoughts?

My coach battery and engine battery are staying "up" due to the generator. I can see it on the monitor. But still no power to any outlets or things like microwave, etc. that require 110. It's getting cold fast. I have the eco- heaters plugged in - but they are not coming on. I turned on my Mr. Heater Buddy... but that's it for warmth....

Is there another breaker for the shore power connection?

Thank you!

Susan

Susan
Chimayo, NM
1990 U280 36'

Re: no 110/120 voltage

Reply #1
Ok, I went through the breakers under the bed once again, turning each on and off though I couldn't really tell that any were off.... and then I did the main big switch on and off.... and voila the 110 power if back on. So, I turned off the generator and .... we'll see.

So, emergency over.....
Susan
Chimayo, NM
1990 U280 36'

Re: no 110/120 voltage

Reply #2
Are you connected to 50 amp or 30 amp?  Do you have any kind of "protection" device (like a Progressive Industries EMS-PT50) at the shore power outlet or in your coach?  If so, what does it indicate?  If not, won't help you right now, but you need to get one.  How about your propane furnace?  Working?  If you have any more trouble, crank it up until you get your electric heat back on line.  Keep us posted!

EMS-PT50C
1993 U280 SE 40' WTBI, Build: 4359
C8.3 300hp, 6-Speed, Exhaust Brake
960 watts on the roof (6 x 160)
Sorento (or BOLT) on a Kar Kaddy SS
"Nature abhors a vacuum"

Re: no 110/120 voltage

Reply #3
Susan - keep an eye on what you're running and note what the loads are if it happens again.  To trip the main breaker would take a pretty hefty amp draw (or the main breaker could be getting weak).
Learn every day, but especially from the experiences of others. It's cheaper!  - John C. Bogle

2000 U320 36' non-slide / WildEBeest Rescue
2003 U320

Re: no 110/120 voltage

Reply #4
OR there is a loose or corroded connection.  With all 120 VAC off (generator, shore power and inverter if you have one), open the ATS and remove the front panel of the 120 VAC breaker box and check each connection for tightness and look carefully for any signs of discolored or burned wires.
Brett Wolfe
EX: 1993 U240
Moderator, ForeForum 2001-
Moderator Diesel RV Club 2002-
Moderator, FMCA Forum 2009-2020
Chairman FMCA Technical Advisory Committee 2011-2020