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Old 01-04-2021, 07:34 AM   #21
Daryles
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Join Date: May 2019
Location: Alton
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M.O.C. #24086
Use the same troubleshooting method as
No DC power. Shore power good.
Take a multimeter. On shore power, check each post of your red 50A self resetting circuit breakers near your batteries. They should all read the same (about 12.4vdc).
Now remove shore power. Check them again.
Which ever one is NOT showing 12vdc on the post, it is bad. Replace it.
If they all show the same, take the battery to an auto parts store and have them test it.
There is also a procedure to test your converter output.
Progressive Dynamics troubleshooting and manuals
https://www.progressivedyn.com/servi...er-converters/

https://www.progressivedyn.com/suppo...hooting-guides

I attached a PD converter troubleshooting file and uploaded it to the files section at the top of the webpage.

Hope this helps
Attached Files
File Type: pdf PD Converter Troubleshooting.pdf (570.5 KB, 58 views)
 
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Old 01-05-2021, 08:27 AM   #22
fgood11
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Join Date: Oct 2018
Location: Lees Summit
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M.O.C. #22784
I had the same problem on my 2020 3721RL and I traced it to the transfer switch. One leg of relay was not connecting power to the converter so the charger was not working. I have replaced two transfer switches so far and posted that information. I was in Branson, Missouri when the problem occurred. Hope this helps.

PS I had to hook the cable of the trailer to my truck and activate the break controller to charge the batteries to get slides in and jacks up plus run the refer on the way home.
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