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Old 07-09-2013, 12:34 PM   #1
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Ok I fixed the rattle I asked about a few days ago and now this. I was warming up something in the microwave when I decided to try the convection setting (first time every). Well the ac seemed to suddenly have a hiccup and then A few minutes later the ac breaker tripped. I reset the breaker and turned the ac back on now it starts up and trips each time after about 30 seconds. I unplugged my shore line and tried to reset, but nothing seems to help.

Anyone have any ideas or thoughts?
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Old 07-09-2013, 12:50 PM   #2
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try unplugging the micro then restart the ac. might work.

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Old 07-09-2013, 01:07 PM   #3
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Is the ac breaker a stand alone breaker or part of a double pole breaker with the micro on the other pole? I had this on my last camper. the heat buildup from this setup caused breakers to trip. The solution was to move to a stand alone breaker with a space between it and others.
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Old 07-09-2013, 01:25 PM   #4
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Ok well I have tried everything. Dam if I can't find my volt meter, must have taken it out by accident and never put it back in. I have shut everything off except the ac and fridge and it has not tripped yet. Connections to the breaker are fine. I will start to turn some things on one by one to see if it trips. It seems sluggish though and lacking power, makes me think the voltage is not high enough. It may be the breaker needs to be replaced. It this a tough job? I could go to Home Depot tomorrow and pick up a new one.

Any thoughts or help is greatly appreciated.
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Old 07-09-2013, 01:38 PM   #5
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How about the CG voltage. Does your Rv have a surge protector with readouts?? Cheap meter at harbor freight might help you.

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Old 07-09-2013, 01:55 PM   #6
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It would be a good idea to get a voltage meter that plugs into an outlet and keep it where you can monitor your shore power. I have found two campgrounds where the voltage was low enough to endanger the well being of the A C unit. It might also be the cause a breaker to trip as I think I remember that low voltage can cause heat at connections.
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Old 07-09-2013, 01:57 PM   #7
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No surge protector on my unit. Seems to be working right now for the past 30 minutes. Been careful on what I have been turning on. Then I notice my wife turned in the hot water, which I thought would have tripped the breaker, but didn't. My daughter is watching tv/DVD right now before bed and still good. I have the microwave breaker off. We'll see how the night goes and test things out tomorrow, likely pick up a couple of voltage meters - one plug in and one tester.
I'll post an update in the morning.
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Old 07-10-2013, 02:11 AM   #8
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You didn't mention if your trailer has a 30 or 50 amp service. I'm assuming that it is a 30 amp service and if that is the case then you may have to change your loading routine. Sometimes the supply voltage at the campsite is low as previously mentioned, but more often than not, it is the way the power is used. Running the A/C and the Microwave ovencan be enough to trip the main 30A breaker. A/C draws about 16Amps and theMicrowave about 11Amps which is close to the tripping point of the main breaker. If you are using hot water at the same time and runningthe WHon electric, then the main breaker will definitely trip. ie. 16A (A/C) + 11A (M/W) + 11A (WH) = OOOPS ( 30A Main breaker trip)

To minimize the chances of tripping any breakers, we make sure that we aren't using more current than the main breaker can handle. Because the WH, can operate at any time, we run it on gas. If the coffee pot is running and the DW wants to use her hair dryer, the coffee pot gets turned off. Because we have a 30A service in our 5vr, we've hadto make trade-off's when it comes to electricity use.
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Old 07-10-2013, 03:42 AM   #9
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We have had to do the same before.
Don't use electric water heater when fridge, a/c, stereo etc. is on.
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Old 07-10-2013, 04:42 AM   #10
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Ok made it through the night and the AC continued to work, but now I made coffee this morning and I have yet to turn the AC on and every time the coffee maker kicks in the fan which I have running - you can hear the fan slow down like its losing power. It speeds up again when the heating element kicks off. Going to try the AC here..................seems to be working. Will monitor today. We have 30 amp. Never had this issue before, but yes it could be the site.
Thanks for everyone's thoughts.
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