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Old 08-04-2019, 12:11 PM   #1
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2018 30' Classic
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CZone 2019 Classic

We received some messages from CZone system today while sitting stationary plugged into shore power.

One was:

DC Low Voltage

Second was:

DC Load Shed

CZone said on panel that that the trailer was not connected to shore power.

I think the DC load shed was going to turn off non-essential DC items.

We were running Alde shower boost, fridge, lights, fan - all normal activities running a 50 amp trailer on a 30 amp connection.

CZone said at the time the batteries were at 12.6.

We did a complete disconnect from the battery and now the batteries are back up to 13.8.

So my question is what is going on?

Does the CZone panel ever show that shore power is connected? I don’t think mine has ever indicated that, even now after a hard reboot. But the A/C wouldn’t be working now if we were not on shore power.

Is this a power issue or a CZone issue? Maybe a converter issue?

Thoughts? Just trying to understand the issue so I can figure out what needs to be done to resolve it and keep it happening again.
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Old 08-04-2019, 12:57 PM   #2
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Originally Posted by ajwbarnard View Post

So my question is what is going on?

Does the CZone panel ever show that shore power is connected? I don’t think mine has ever indicated that, even now after a hard reboot. But the A/C wouldn’t be working now if we were not on shore power.

Is this a power issue or a CZone issue? Maybe a converter issue?

Thoughts? Just trying to understand the issue so I can figure out what needs to be done to resolve it and keep it happening again.
Your panel as well as your app should show whether shore power is connected. It should show on the same "favorites" page as the LP and water tank levels. Blue is connected, grey is not. If you are not seeing that you might want support to look at that.
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Old 08-04-2019, 01:01 PM   #3
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I get the DC load Shed Low error also. Usually, it is when batteries get to 12.3v. I also get the "DC low voltage" message after the first message.
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Old 08-04-2019, 04:38 PM   #4
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This is what my monitor page looks like despite the fact that we are plugged into shore power.
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Old 08-04-2019, 05:13 PM   #5
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Attachment 348547

This is what my monitor page looks like despite the fact that we are plugged into shore power.
You definately have a problem. One of the CZone inputs on the COI senses that. I doubt the COI is bad so my guess is that the interface between shore power and the input is bad or you have a loose wire between the interface and shore power and/or the COI. This is certainly a warranty issue.

The low voltage warnings are also a concern if you are connected as the converter should be charging batteries.
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Old 08-05-2019, 06:53 PM   #6
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Don't discount the COI having a problem. Mine seems to be kaput. None of the data is flowing through the COI, can't turn any of the items on or off. At one point it was reporting a short to the awning lights. That went away when all of the monitoring lights on the COI no longer came on but that was good because the panels quit flashing.



Spent half a day yesterday checking connections on the NEMA backbone. Few loose but only a turn to snug them up. Found loose power connections on the COI and the bus bar behind it.


Did trouble shooting with AS this morning and have an appointment with a dealer Friday so that we can get a replacement on order.


Thank goodness everything else is working. You can manually use any of the 16 control circuits by moving the fuse for that circuit to the other side of the fuse block. That manually closes the circuit.


This started on Sunday driving into Kansas City when the app started saying that I needed to turn on the battery with the disconnect. So I have lost the use of the app.


AS, Mike Lemmon was helpful on walking through all of the items I had already checked. Also reviewing what the panel was showing. Gremlins are the worst type of electrical issue to track down.
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Old 08-18-2019, 11:00 PM   #7
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I just had this issue with “no shore power.” After panicking I figured out I had a tripped circuit breaker. Reset it and good to go.
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Old 09-16-2019, 02:42 PM   #8
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My "shore power" button on the c-zone is greyed out. The dealer checked with AS and was told the button is not supposed to function. Does your? Thanks.
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Old 09-16-2019, 02:53 PM   #9
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The 'button' for shore power on the screen is blue with shore power and grey when shore power is not connected. You can not switch shore power on and off since there is no power switching mechanism in the trailer.


If it is grey with power applied there is an issue with the CZone sensing and should be fixed under warranty.
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Old 09-17-2019, 04:53 AM   #10
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My "shore power" button on the c-zone is greyed out. The dealer checked with AS and was told the button is not supposed to function. Does your? Thanks.


Mine shore power has never been blue while on shore power. And I am talking with AS customer support about that and some other issues we are having with CZone. I was never told that it was functioning normally. We have decided to make an appt with Jackson Center to trouble shoot this. I had just got most of my Firefly working on my 2018 after having a 2018 with the first Firefly only to be replaced with CZone. Sometimes I think I liked Firefly better. At least you could read the buttons.
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Old 09-17-2019, 09:10 AM   #11
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AJ, I just checked mine again. I am on the Favorite screen for onboard and with power on the power button is blue. Turning power off at the pole it changes to grey/no blue color.
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