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Old 04-19-2015, 09:05 PM   #1
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96 Popup bad breaker? Bad inverter?

i have a 1996 Rockwood Popup with a Magnetek 6600 series inverter.

When plugged into AC, the outlets are dead. Hwever, the pump and interior lights work.

The 15 amp breaker, when switched on, cause the inverter to hum gently. The 30 amp breaker seems dead as flicking it in either position does not produce a hum or 'on' vibrating sound.

The breakers are encased in a steel box and don't seem to be replaceable. It appears spot welded closed.

Are my suspicions of a dead inverter correct?

Let me know. Thanks in advance.

Gordon
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Old 04-19-2015, 10:34 PM   #2
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I think you've confused your converter with an inverter.

Inverters convert 12v to 110v
Converters convert 110v to 12v

A magnatek 6600 in a converter.

Last I knew these were obsolete.

Your outlets probably don't work because you have a resetable circuit breaker tripped or the pop safety switch is stuck.

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Old 04-19-2015, 11:49 PM   #3
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You are correct, it is a converter.

My version is no longer manufactured. I'm hoping this is a workable replacement, if needed.
6400/6600 Series (Obsolete)

I am not able to reset the 30 amp breaker, it doesn't reset when clicked back and forth.

I did not see a 'pop safety switch' anywhere. Where are those typically located?

I appreciate your response.

Gordon
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Old 04-20-2015, 12:50 AM   #4
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I did not see a 'pop safety switch' anywhere. Where are those typically located?
He may be referring to a GFCI, the same kind as you find in your bathroom at home. In a travel trailer it's in the bathroom or in the vicinity of the kitchen. Where you'd find it in a camper, assuming it has one, I don't know.

Assuming you find one, cycle through test and reset a couple of times, ending with reset, to be sure it gets reset fully.

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Old 04-20-2015, 11:44 AM   #5
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He may be referring to a GFCI, the same kind as you find in your bathroom at home. In a travel trailer it's in the bathroom or in the vicinity of the kitchen. Where you'd find it in a camper, assuming it has one, I don't know.
I do not have a GFCI outlet in my popup. There are only two outlets and both are plain, grounded outlets.

Can anyone comment on the fact that the 30 AMP breaker does not appear to be 'powered' - meaning that when flipped on, my converter does not seem to turn on?

Gordon
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Old 04-20-2015, 11:47 AM   #6
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Originally Posted by lake15 View Post
I do not have a GFCI outlet in my popup. There are only two outlets and both are plain, grounded outlets.

Can anyone comment on the fact that the 30 AMP breaker does not appear to be 'powered' - meaning that when flipped on, my converter does not seem to turn on?

Gordon
I'm not real familiar with poo ups but there is a switch "I believe " near the sink area that opens and closes when the too goes up and down to cut power.
Hopefully someone with more knowledge can help.

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Old 04-20-2015, 12:50 PM   #7
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You are correct. When I flip my sink up, it triggers a switch to turn on the DC power.

Again, my DC is working. Just chatted with the folks at Parallax Power. They suspect a bad breaker. Even if I cut into the metal power supply box, the tech did not figure I could find a replacement breaker. It looks like this 20 year old Magnetek will have to be replaced.

I'm hoping that during replacement, that the various wires will logically 'line up' and be obvious. Hopefully I can channel my 'weekend warrior' skills.

If there are only online resources, YouTube videos or PDFs related to swapping out a Power Converter, I would welcome those references.

Gordon
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Old 04-20-2015, 05:09 PM   #8
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Originally Posted by lake15 View Post
i have a 1996 Rockwood Popup with a Magnetek 6600 series inverter.

When plugged into AC, the outlets are dead. Hwever, the pump and interior lights work.

The 15 amp breaker, when switched on, cause the inverter to hum gently. The 30 amp breaker seems dead as flicking it in either position does not produce a hum or 'on' vibrating sound.

Are my suspicions of a dead inverter correct?

Gordon
12V items are powered by the battery, which is charged by the converter when the PUP is plugged into 120V AC. The 12V circuits will have fuses, not circuit breakers for protection.

The AC for the outlets goes through the converter directly to the circuit breakers. The "pass-through" AC side of a converter seldom fails (but the circuit breakers themselves might).

The 30 amp breaker is for one of the two things:

1) the input breaker for the AC coming into the camper. Think of it as the "main" breakers at the top of your house electrical panel. Or much more likely (since the breaker doesn't work but you can get a hum by throwing the 15 amp breaker)

2) the circuit breaker for the air conditioner - whether you have the air conditioner or not. The 30 amp breaker will NOT power your outlets separate from the converter.

Assuming that you are correct that there are only the 2 breakers, the 15 amp breaker supplies the converter and your outlets as well, which is why it hums when you turn it "on". In an ideal world the converter and outlets would be on separate breakers, but who knows in an older PUP.

In a PUP as old as yours, GFCI may or may not be present. If present, it is often on the outlet inside the refridgerator compartment (so your fridge can run on AC).

For testing, get the "hum" going. Check the voltage at the battery. If it reads 13 volts or better, the converter is working properly and charging the battery. And it also means you are getting AC into the camper to the converter. If the battery is at 12.6 volts or less, it is not being charged.

Next check the outlet in the external fridge compartment for 120 volts (you can use a known good night light). If it has GFCI, test then reset. Then check EVERY other outlet the same way. Failure at the outlets, but a good converter means you have an AC wiring issue.

Replacing the converter is not necessarily a bad thing even if it checks OK. The newer, better quality converters will do a better job of charging/maintaining your battery. But replacing the converter will not fix an AC wiring problem.

just my experiences
Fred W
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Old 04-20-2015, 09:46 PM   #9
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Fred,

Thank you for your thorough reply and good diagnostic path!! I will let you know what I discover.

There is no GFCI at the fridge plug in.

During this testing/fixing time before Minnesota camping season, I do not have a battery as part of my configuration. I only have this plugged into AC for all conversation related to this post.

My initial information was a bit off. I have a 15 amp and a 20 amp circuit breakers.

I NEVER have AC power at my two outlets.

I am starting to think this may be a wiring issue.

The attached images show WHEN the 12 VOLT interior lights work and when they don't. It is getting odd... why isn't the 20 AMP working as my 'main' breaker?

Fred, seeing what you see now, what do you think it up?

I do appreciate any and all responses.

Gordon






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Old 04-20-2015, 10:04 PM   #10
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The 15 amp breaker is supplying power to the converter and the 20 amp breaker controls the outlets. If you can get the front panel off you will probably find the breaker in a common size that can be purchased at your local hardware store.
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