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Old 04-04-2018, 01:17 AM   #1
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House Batteries not charging

Hey guys,

My house batteries were charging fine while on shore power. Now they are not.

Any ideas?

When the engine is on... the alternator charges the house batteries fine.
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Old 04-04-2018, 01:30 AM   #2
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Not familiar with Axis but there must be some similarities. On the Challenger system on shore power, there is an Automatic Transfer Switch that senses power from either the on-board generator or 110. On shore power, the converter/charger is next. If you are plugged into shore power, the converter/charger should be on. The power goes from there to your battery bank. The converter/charger has a breaker and a fuse. I'd check them first. If they are working, I'd next check to make sure that the converter has power. If so, then check to see if the converter has voltage coming out.

I spent a fair amount of time troubleshooting our system. The principles should be the same with your system.

Here is the link to my epistle. http://www.thorforums.com/forums/f8/...sue-10928.html
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Old 04-04-2018, 01:31 AM   #3
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Quote:
Originally Posted by rvfigs View Post
Hey guys,

My house batteries were charging fine while on shore power. Now they are not.

Any ideas?

When the engine is on... the alternator charges the house batteries fine.
Is your use/store switch in store?
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Old 04-04-2018, 01:38 AM   #4
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Use mode..
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Old 04-04-2018, 01:39 AM   #5
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Could it be the 50 amp fuse next to the batteries?
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Old 04-04-2018, 01:50 AM   #6
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Originally Posted by rvfigs View Post
Could it be the 50 amp fuse next to the batteries?
Not if it charges by the alternator. If in USE and no charging by SP you need to check you Converter breaker and fuses.
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Old 04-04-2018, 02:09 AM   #7
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Originally Posted by Tfryman View Post
Not if it charges by the alternator. If in USE and no charging by SP you need to check you Converter breaker and fuses.
Let me double check this. Thanks for the reply.
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Old 04-04-2018, 02:18 AM   #8
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rvfigs - gotta say that if it the charging stopped completely, I'd almost guess that it is a fuse or a breaker. I looked on the page #2 of the attached wiring diagram, there is a resettable breaker on the inbound side from the converter. If all of these are working properly, almost certainly is the converter/charger.

Here is the wiring diagram from my original post.
Attached Files
File Type: pdf coachBatteryCompartmentWiring.pdf (137.7 KB, 127 views)
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Old 04-05-2018, 12:48 AM   #9
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Everything working well now. Thanks a million fellas!
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Old 04-05-2018, 12:50 AM   #10
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rvfigs - what wound up being the problem? Hopefully it was something simple.
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Old 04-05-2018, 01:00 AM   #11
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I "assumed" that the fuse panel would indicate with a red light when a fuse was bad...like most of the fuses. There where two 40 amp fuses that didn't have a red indicator light. When I pull them...I realized how much of a dummy I was. Both were toast.
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Old 04-05-2018, 01:00 AM   #12
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Now I need to work on my vent fans. Both do not work.
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Old 04-05-2018, 01:03 AM   #13
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Yep - I feel your pain. Had a similar issue with the Rapid Camp module. It was not wired according to diagram. Won't tell you how long and hard I worked or how many pieces I had apart. Moral to the story, check everyone of the fuses and breakers FIRST with a multimeter.

Glad it all worked out.
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Old 04-05-2018, 01:06 AM   #14
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I just overthink things too much. Thanks for all your help. I really appreciate it!
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Old 04-05-2018, 01:39 AM   #15
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Looking at the diagram I put yesterday, you can see the 12v fans on the ceiling. Not sure what circuit they are on though.
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