GFI circuit drawing down whole camper.

djpetrou wrote:
Battery checked out fine and charges on a stand alone unit just fine.
I'm kind of expecting the converter to finally be bad. No inverter.

From your first post and this reply, your converter/charger is hooked up to this circuit (and circuit breaker). Poor choice on the manufacturer's part. Also; you do not even have an inverter installed.

Too many repliers confused about this.

The converter/charger is going bad and cannot recharge the battery(s). It might be just a bad ground or other connections since you seem to think you had charging. Turning off the circuit-breaker on this circuit takes the converter/charger "off-line" with no battery charging. The fast discharge shows the battery is going "belly up".

I really do not think your battery is "fine". Your posted symptoms point to a highly sulfated battery that can no longer hold much of it's original capacity. Can you see at least 12.6 volts when reading voltage at the battery-terminals at least 24 hours after leaving the RV unplugged?

It looks like you need both a new converter/charger, all connections, grounds, checked and cleaned, along with a new house-battery.

Old-biscuit is on the trail.

1.
IF that GFI has 120V AC power when you aren't connected to AC power source then it HAS to be powered by an inverter drawing from battery

If you are not the original owner there could be a modification you are unaware of. Such as a hidden Inverter. Look under and in cabinets for something about the size of a large thick book.

The GFI is not meant to be a switch. Do you go around and shut them all off and on? Why? Should also occur if not connected to shore power. In which case it probably is the converter. And you have an inverter but do not know it.

djpetrou wrote:
One circuit has gfi receptacles at the kitchen sink, the bathroom sink and at the cook top.
When this circuit is on it draws the battery down an will drain it. This happens even when hooked to shore power.

:H

You state you don't have an inverter but you also say this happens when hooked to shore power.......

IF that GFI has 120V AC power when you aren't connected to AC power source then it HAS to be powered by an inverter drawing from battery.

The inverter draw on a battery can draw the 12V DC voltage down fairly quickly when using high amp items.

And when on AC power source the converter maybe failing and can't keep up with the drain on battery and battery is probably shot from excessive low voltages (Can be charged OK but doesn't hold a charge)

But an AC GFI Circuit would not draw a battery down UNLESS it is feed via an inverter tied to battery.........two separate system AC & DC

djpetrou wrote:
Battery checked out fine and charges on a stand alone unit just fine.
I'm kind of expecting the converter to finally be bad. No inverter.

What voltages did you measure? Did you measure without the converter powered, too?

This was the exact same symptom I had when my converter went out. I replaced it with a new one from Camping World. About 10 months later, the exact same symptoms. I called the converter manufacturer and they sent me a free replacement. Each time I installed the new converter it solved the problem instantly.

Battery checked out fine and charges on a stand alone unit just fine.
I'm kind of expecting the converter to finally be bad. No inverter.

Sounds like a combination of bad converter and low battery. Do you have an inverter in that rig?

Ok, so when I turn on the 120v GFCI circuit all the 12v lights dim and the battery gets drawn down. leave it like this and in 30 min the battery is dead.

Unless your running the GFCI circuit off an inverter powered by your battery, there's no connection between the GFCI and your battery.