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Old 07-16-2016, 08:30 AM   #1
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27RR battery issues revisited

I posted last weekend regarding issues with my batteries running dead and not recharging and thanks to quick response from forum members I was back up and running after resetting a breaker under the A-frame.

Unfortunately the issues continue, as the breakers will not reset now. Everything electrical runs with shore power or generator but not off batteries, nor will the batteries recharge. Found the breaker had tripped earlier in the week and reset.

I am again at a race without a meter so limited to what I can check. Fuses are all good and no breakers inside the unit tripped. I have a suspicion that the vent fan was initially causing the tripping, but really not sure.

Any ideas?
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Old 07-18-2016, 08:22 PM   #2
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Had a chance to check batteries with a meter today, showing 12.6 volts. I also removed all eight individual fuses one by one and attempted to reset the two circuit breakers, thinking maybe something on each circuit might have been shorting out and not allowing the breakers to reset. So it looks like batteries charge but no power is getting to anything else except jack because it is direct wired to batteries.

No luck at all. I am thinking the converter has quit or possibly the two circuit breakers have gone bad. I do not hear the cooling fan for the converter kick on when I plug into shore power.

Hope someone here has some ideas because travelling between spots without a working fridge is not good for frozen food. Will call dealer tomorrow.
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Old 07-18-2016, 10:41 PM   #3
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May sound odd, but I had a similar problem last year. Reset the breaker at the genset. Once I manually tripped and reset that breaker all was good.
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Old 07-18-2016, 10:50 PM   #4
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Do you mean the breaker inside the unit by the converter? If so, I have reset all of the individual breakers as well as the main ones. Still no luck.
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Old 07-18-2016, 10:58 PM   #5
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No. I mean the one that is actually mounted to the genset. Open the outside door on the left side. I believe it is on the right bottom.
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Old 07-19-2016, 07:57 AM   #6
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Being new to all of this I'm not sure where that even is. My fuses and converter are located under my refrigerator on the interior of the toy hauler.

I did remove the outside panel behind the refrigerator yesterday and did not see anything obvious, if looked just like components for the stove / refrigerator. Maybe I can get a photo tonight.

The only other exterior panel I have is up front for the water heater.
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Old 07-19-2016, 08:33 AM   #7
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Sounds like meter time! I would turn all power off to the unit, disconnect the battery, disconnect the shore power and not run your genset. I would start by testing the load side of the circuit breaker, first put your meter on the 20V dc scale and insure that you do not have power on the load side of the circuit breaker. If no voltage change to ohms scale and measure from the load side of the circuit breaker to the chassis ground making sure you have a good ground point. There should be no continuity, if you read continuity then you have a short to ground some were. If continuity then pull one fuse at a time until the continuity is removed. If you pull all fuses and still have continuity then your cable between the circuit breaker and the fuse panel is shorted or similar. If you do not have continuity from the circuit breaker to ground then the circuit breaker itself may have failed. Remove both power cables from the circuit breaker and try to reset if it will not reset the breaker is defective and will need to be replaced. Good luck, and add a cheap meter to your camping tool kit.
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Old 07-19-2016, 10:56 AM   #8
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27RR battery issues revisited

If you have a generator you have access to it. Here are some pictures. The switch with the red light on it is the local starting button. If you look to the right of it just inside you will see the breaker. That is what puts the genset power to the breaker panel inside. Click image for larger version

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Old 07-19-2016, 11:12 AM   #9
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Thanks. That's where the confusion is. I have a portable generator.
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Old 07-19-2016, 07:05 PM   #10
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Disconnected all power tonight, DC and AC, and the two 12 volt circuit breakers would not reset. Went ahead and ran two jumper wires across the positive and negative of each breaker to bypass them and I was able to get 12 volt power to trailer.

So circuit breakers are both bad and I had talked to dealer earlier today and he said he would send me out a couple. The bigger question is why did they get fried?
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Old 07-20-2016, 12:06 PM   #11
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You didn't connect to a circuit with shore power that was wired 220 instead of 120 because all campers are 120 volts wether it is a 50 amp or 30 amp and I seen people put a connection at their house to hook up the camper and they run two 120 legs which gives you 220 and will cook breakers, converters and circuit boards.


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Old 07-20-2016, 12:14 PM   #12
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Nope, no chance it was ever plugged into 220. When the initial problem occurred it was running off batteries only. Only time the generator was used that weekend was a few minutes to run microwave.

With help from this forum I found that one of the two DC breakers had tripped. Reset and all was fine for a few days. Since then, has quit working again and now both circuit breakers on A-frame have tripped and will not reset, even with no power going to them. I did find out though that the extension cord being used last week going from the house to trailer had a short. Would a 110V short be able to do anything to short out the 12V breakers?
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Old 07-20-2016, 01:55 PM   #13
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It should have tripped in the house first if you had a bad cord. Have you changed the outside breakers yet?


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Old 07-21-2016, 10:47 AM   #14
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Not yet, dealer is sending me a couple and should have them in a day or two. Will let everyone know whether that takes care of the problem or if they end up blowing too.
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Old 07-26-2016, 07:48 AM   #15
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Received two new 30 amp circuit breakers from the dealer in the mail yesterday. Installed and all seems to be good now.

I'm not sure why they blew up in the first place, but they are bridged together with a buss bar which is probably why they both went. I will have to monitor them for a couple weeks and cross my fingers.

Thanks everyone for your help and suggestions.
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