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Old 03-05-2016, 07:03 AM   #11
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Replace the cheap FR breaker with a Cutler Hammer or Eaton. The ones that come in rv's are the cheapest ones built.
That is what happens when outfits go with "low bid". They may have a good system but not necessary made with the best material.

Back to the OP problem, yes, check the battery.

Jim
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Old 03-05-2016, 07:57 AM   #12
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Breaker trips when battery is on and we plug in .

Did you hook up the battery / batteries backwards?


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Old 03-05-2016, 09:06 AM   #13
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Did you hook up the battery / batteries backwards?


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He said things work fine if he disconnects the battery before plugging the cord in. When he connects the battery back up nothing trips, things work fine so that can't be the problem.

Sounds like a battery problem causing a heavy load on the converter when it is turned on with the battery hooked up. My question then becomes, why doesn't the breaker trip when he hooks the battery back up? If being caused by the battery when it was hooked back up the converter would see the same load, right? Could it be the 12 volt charger side of the converter is bad? The OP needs to check the chargers output as well as the battery/batteries.

Jim
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Old 03-05-2016, 11:49 AM   #14
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Replace the cheap FR breaker with a Cutler Hammer or Eaton. The ones that come in rv's are the cheapest ones built.
Where is the best place to purchase these? Are the breakers in Sunseekers a standard size? Thanks.

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. My question then becomes, why doesn't the breaker trip when he hooks the battery back up? Jim
Good question, Jim. I was thinking the same thing.
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Old 03-05-2016, 01:48 PM   #15
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Where is the best place to purchase these? Are the breakers in Sunseekers a standard size? Thanks.
Home Depot or Lowe's. Take the breaker with you to compare so you get the right one. They are normally standard size.

Jim
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Old 03-05-2016, 01:59 PM   #16
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As for why it doesn't trip when he closes the disconnect. It's because the converter is powered up and the capacitors are charged, so it doesn't draw as much current when the battery is reconnected to the system as it does on an initial start when the converter is charging the caps and supplying a lot of current to the battery.
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Old 03-05-2016, 05:12 PM   #17
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Home Depot or Lowe's. Take the breaker with you to compare so you get the right one. They are normally standard size.
Jim
I'll go there. Thanks.

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As for why it doesn't trip when he closes the disconnect. It's because the converter is powered up and the capacitors are charged, so it doesn't draw as much current when the battery is reconnected to the system as it does on an initial start when the converter is charging the caps and supplying a lot of current to the battery.
Sounds feasible to me. I think the OP's problem will be over with a new battery(s). I'm hoping mine will be over with a new breaker.
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Old 03-05-2016, 06:37 PM   #18
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It sounds like you might have a bad battery.
The load of a shorted cell or bad battery might cause the converter to trip do
to the inrush of current as it starts trying to charge the battery(s).

Suggest you have battery checked for proper level of electrolite as well as
giving it a complete charge and then do a load test on it.

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