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Old 02-10-2019, 07:00 PM   #1
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Exclamation Factory battery disconnect does NOT disconnect all loads

New Rockwood Geo Pro G19FD. Wife just went outside and said she heard weird noises coming from inside trailer. A combination of beeping sounds, and animal like screeching. Investigation revealed the following: The furrion stereo was blinking on and off making weird screechy sounds. I could not get it to stop, so I removed it from the cabinet and disconnected the plug supplying power. That stopped. Still hearing a quadruple quick beeping. Opened smoke detector and removed 9v. Still beeping sounds. At least now I know smoke detector is not hard wired. Moved some stuff around blocking view of gas detector, and noted it was beeping and blinking red. Pulled from under dinette, to discover there is no back-up battery going bad, and wires are hard crimped to power. Then I discovered the reset test button, and beeping stopped when pushed and went back to green LED.

I also noted the DC plug for the TV has a red LED, which was glowing red, indicating power present. Unplugged that.

This trailer comes from the factory with a battery disconnect. It is in disconnect position, confirmed by nothing else working in trailer. Why doesn't this disconnect everything???? Stereo was getting power, TV was, CO alarm was.

Fortunately, I've kept a smart charger connected to my 2 6v batts since parking it, and batteries are fully charged as indicated by LED charge controller for the rooftop solar panel.

As for the beeping CO alarm, I did notice one of the stove burner control knobs was on, which I must have done while making a tight squeeze past the stove 2 days ago. Even though the tanks are off, maybe residual gas escaping from lines set off CO alarm?

Bottom line and lesson learned: The factory battery disconnect is not disconnecting the above mentioned loads. I will be going into battery box in near future to disconnect a battery lead. I'm glad I had a charger on, or I would have ruined a pair of expensive new batteries.
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Old 02-10-2019, 07:08 PM   #2
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This is actually a "feature"; not a "bug".

The battery is hot wired to several items and bypasses the shutoff so that the propane leak detector and other "life protection" items stay powered. This is required by RIVA regulations as a default.

Also, the radio is trickle powered to keep the time and stuff like station presets from clearing.

The depleted battery was causing all your symptoms.

Should you be willing to accept the danger of bypassing the safety of life and convenience items (like landing gear/tongue jack and radio), you can just move those wires off the battery terminal and connect to the cold side of your disconnect switch.
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Old 02-10-2019, 07:15 PM   #3
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Thanks Herk, I get it about the CO alarm, but didn't know why the cig lighter plug for TV was still hot, or why stereo was going crazy. Weird thing is, the batteries were never depleted. They have been on a CTEK smart charger all winter, so even if they did start to go down, the charger (25 amp) would have kicked in.
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Old 02-10-2019, 07:18 PM   #4
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Good advice about moving stuff to cold side of disconnect switch. I'm wondering if they didn't throw TV and other stuff on same circuit as CO alarm to save wire or something. Since the main purpose of a disconnect is for storage, and I wouldn't use it otherwise, dead should be dead.
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Old 02-10-2019, 07:25 PM   #5
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Quote:
Originally Posted by NJKris View Post
Good advice about moving stuff to cold side of disconnect switch. I'm wondering if they didn't throw TV and other stuff on same circuit as CO alarm to save wire or something. Since the main purpose of a disconnect is for storage, and I wouldn't use it otherwise, dead should be dead.
I agree with both those statements.
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Old 02-10-2019, 07:32 PM   #6
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Not sure about regulations but the only thing that bypasses my shut off is the trailer emergency brakes and the solar connection. Everything else shuts off.
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Old 02-10-2019, 08:19 PM   #7
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in addition to the devices already mentioned we have a lippert level up system with a remote to control the jacks, slides, and outside lights. this is wired directly to the batteries and is not disconnected.
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Old 02-10-2019, 08:28 PM   #8
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Since A-frames and PUPs don't come standard with disconnects, you get to put one in yourself. Most of us put it near the battery terminals and ensure EVERYTHING is disconnected from the RV battery by the switch. This allows the disconnect to set the camper up for storage without having to connect a charger or plug in the camper. The disconnect is a lot easier than getting a wrench out and lifting a wire off the battery terminals.

In both my A-frames, the stereo noises were caused by using an automotive stereo in a non-automotive environment. A car stereo has 2 + power wires - one goes to the ignition relay, and the other directly to the battery. The direct wire to the battery saves settings and memory, while the ignition relay controls primary power. Forest River ties both + wires to a convenient 12V circuit. So whenever there is a voltage change (plugging in the camper to shore power, starting/stopping a hooked up tow vehicle, throwing the disconnect, etc), the stereo turns itself on.

To get rid of this annoyance, I installed a separate power switch to the stereo to turn the stereo power completely off/on. The downside is that the memory presets do not hold - but I rarely use my stereo, and I never use the radio presets. The default power-up for the fader/bass/treble controls is good enough for me.

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Old 02-11-2019, 01:28 AM   #9
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My battery disconnect disconnects the battery from everything except the solar. This includes brakes and tongue jack. I don't want the solar powering 12V devices in my trailer with the disconnect off so it goes directly to the battery side of the switch. I do have a solar disconnect if I want it off too.
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Old 02-11-2019, 05:27 AM   #10
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Not sure about regulations but the only thing that bypasses my shut off is the trailer emergency brakes and the solar connection. Everything else shuts off.
Same here.

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