Quote:
Originally Posted by Dbci2015
Ats works properly
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Your description of your problem is confusing "No Flow Thru AC"
No flow thru AC would mean when you are on Shore Power, the circuits wired to the Inverter output would not be working. That would mean the Inverter / Chargers built-in ATS would not be working (not the coach ATS, which is a separate device).
So if you say the ATS is working, that means you have AC on shore power to the circuits wired to the Inverter output and then when there is no shore power the Inverter is automatically providing AC using the house batteries.
Your batteries not charging is really a DC problem if you have AC on the Inverter output circuit. The Charger is not taking the AC and converting it to DC for the house batteries to charge.
A Converter / Charger is a little easier to troubleshoot because it only does one thing.... converts AC to DC to provide power to the 12V appliances in the coach and charge the batteries. An Inverter / Charger has multiple components that take AC and converters it to DC for battery charging and it takes DC and coverts it to AC for critical AC appliances like a fridge when there is no shore power. It also has a built-in ATS that keeps AC flowing to those critical appliances whether you are on shore power or battery power.
I would be checking the Charger Settings to make sure something didn't change. I have a Xantrex Inverter / Charger and the Charger cannot be turned off. You can only change the charging parameters based on the battery type.
I would also get your meter out and read the house battery voltage with and without shore power. If you are seeing no change in voltage on and off shore power, it would seem that the charger circuit is not working and it is possible it crapped out.
Now if the Inverter / Charger is not switching over automatically when you remove shore power AND the batteries are not charging when you are on shore power, then I would check the fuse or bussman breaker that should be installed on the positive battery cable running from the Inverter to the house batteries. If the fuse blew / breaker tripped, that would explain these two conditions.