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Old 12-05-2020, 09:02 AM   #1
rschaz64
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Where’s the converter?

Hello, All.

Here is a goofy question: where is my converter located? I bought a new 2020 3761FL earlier this year. All was good until I tried to close it up for winter. (I’m on a permanent site with reliable shore power.).
When it came time to close the slides, nothing happened. I remember reading that shore power alone may not be enough to close all slides. I checked my batteries and they were completely dead (even though they were new-2020 stickers on them- when I bought rig). I used truck battery with jumper cables and got the slides to close.

This got me thinking that my batteries have probably been dead all year!!
I recalled I had a 30 minute power outage midsummer and the fridge didn’t work. I assumed it was my inverter. Now I think it may be my converter. I just don’t know where my converter is located or how to check it.

Any advise would be greatly appreciated!!!

Rick
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Old 12-05-2020, 09:14 AM   #2
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It may be your converter but check your battery disconnect switch first. You may have your batteries disconnected.
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Old 12-05-2020, 09:28 AM   #3
dhuhn
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I agree check battery disconnect in convenient center it’s the red key make sure it’s turned so you can’t pull it out. Your converter is in your breaker panel on one side , pull it out from wall and you will see it.
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Old 12-05-2020, 09:30 AM   #4
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After checking your battery disconnect switch in the convenience center, make sure you can't remove the red key, then put a meter on your battery and plugged into shore power you should read 13.4 vdc. Your converter should be behind your fuse panel. While looking at thev fuse panel, make sure the the four large blade style fuses aren't blown.
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Old 12-05-2020, 10:16 AM   #5
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If your converter was not working your 12 volt systems would not have worked when you were on shore power. I agree the battery disconnect switch is the likely culprit.
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Old 12-05-2020, 07:34 PM   #6
rschaz64
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Thank you all for the input.
Next chance I get I will double check the battery disconnect switch. (I hope it is something this simple!!����)

I am still curious why my residential refrigerator didn’t work when I lost shore power back in July. I immediately thought it was the inverter. Could this have also been caused by my battery disconnect switch being on?

Thanks, in advance!

Rick
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Old 12-05-2020, 07:52 PM   #7
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If your battery where disconnected there would be no power to your inverter which runs your refrigerator.
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Old 12-05-2020, 08:05 PM   #8
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To answer part of your original question, on the newer Montanas the converter is a part of the fuse box.
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Old 12-05-2020, 09:13 PM   #9
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Quote:
Originally Posted by DQDick View Post
To answer part of your original question, on the newer Montanas the converter is a part of the fuse box.
On my 2020 373RD, the converter is part of the fuse panel as mentioned - in fact, at night, I can see the charger cycle of the converter by the green flashing light shining out the side of the panel door.
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Old 12-05-2020, 09:19 PM   #10
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Originally Posted by dhuhn View Post
If your battery where disconnected there would be no power to your inverter which runs your refrigerator.
On my 373RD the Inverter has supply leads directly from the battery. In my case, if resi fridge didn't work when shore power was off, it might be on of several - power to inverter was off (separate switch), inverter is off or batteries have no power. But that is mine, others might be different.
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Old 12-06-2020, 05:21 AM   #11
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Quote:
Originally Posted by rschaz64 View Post
Thank you all for the input.
Next chance I get I will double check the battery disconnect switch. (I hope it is something this simple!!����)

I am still curious why my residential refrigerator didn’t work when I lost shore power back in July. I immediately thought it was the inverter. Could this have also been caused by my battery disconnect switch being on?

Thanks, in advance!

Rick
If your batteries were dead there would be no power to run the inverter.
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Old 12-06-2020, 06:50 AM   #12
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Quote:
Originally Posted by rschaz64 View Post
Thank you all for the input.
Next chance I get I will double check the battery disconnect switch. (I hope it is something this simple!!����)

I am still curious why my residential refrigerator didn’t work when I lost shore power back in July. I immediately thought it was the inverter. Could this have also been caused by my battery disconnect switch being on?

Thanks, in advance!

Rick

If your red battery disconnect switch was off and your batteries were dead that would explain why teh inverter did not work
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Old 10-16-2023, 06:13 PM   #13
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Just went through similar issue. Converter not charging my batteries. I found the Converter by pulling out CB Panel and found a black cord plugged into the back. I traced the cord to the ceiling of the space behind the CB Panel accessed by opening the crawl space walls. Purchased a new converter and in stalled in less than 2 hrs
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Old 12-06-2020, 04:05 AM   #14
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We have a 2019 3791RD. The large red key disconnect in the convenience center DOES NOT disconnect power from the battery to the level up system. Even with the key out (disconnected), the level up hydraulic system still works. Our residential fridge has a separate disconnect on the back wall behind the battery box. This is a round twist type switch with green and red indicators. This feeds power from the battery(ies) directly to the inverter for the fridge. There are a few other items such as propane and CO detectors that run off battery even when the disconnect in convenience center is disconnected. Confusing, I know.
That being said, even if your disconnect (red key in convenience center) was disconnected and pulled out, your level up system should be powered from your battery.
I haven't tried it, but I think the converter does not charge the battery bank when the disconnect in convenience center is disconnected. I basically never bother with that red key, it stays in and turned on. I have a separate knife style disconnect on my battery bank negative post to disconnect the batteries when in storage.
It could be that your battery hasn't been charging while in storage if the red key were disconnected.
As stated, your converter is behind the fuse box. If any of your 12 volt systems work while on shore power, such as lights, with dead battery or battery removed, then your converter is working.
If your fridge didn't work during power outage, check the inverter. Mine is mounted to the ceiling in the pass through basement on the ODS side. You should see a cord with a standard 110 Volt plug plugged into it. In addition the dedicated disconnect in the battery compartment, it has its own on/off switch too. Even with shore power, it should flash numbers in red to indicate how much power is being supplied to the fridge. It could be just turned off. It also has a GFCI receptacle, so check to make sure it isn't tripped.
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Old 12-06-2020, 05:40 AM   #15
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Fridge not running could be the battery was already dead, or the disconnect for the inverter was off (disconnected), the inverter itself was turned off, or the GFCI on the inverter was tripped.
I would start at the battery. Once good, check to make sure the disconnect for the fridge is not disconnected. Mine is a round turn style disconnect in the battery compartment on the back wall directly behind the battery box. You can trace the wire through this wall to the inverter in the basement pass through compartment. If it is set on green, then check the inverter. If it's on, you will see numbers on the display for voltage and amperage supplied. There is a push button on the inverter to turn it on/off. If it's on, check the GFCI test/reset buttons on the outlet on the inverter where your fridge is plugged in.
When I first got my unit, the inverter and the disconnect were both bad and had to be replaced under warranty. Fridge worked on shore power, but not on battery.
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Old 12-06-2020, 06:08 AM   #16
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Here's the type of disconnect that was installed for the fridge inverter.
https://www.amazon.com/Ampper-Batter...G84N854PJCYYYD
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