Forum Discussion
wnjj
Jun 13, 2017Explorer II
Joe417 wrote:
1. You stated you put 2 new batteries in and still had the problem.
2. You also have no issues when on shore power or generator.
You most likely have a loose connection between the battery and the 12v power buss.
The generator starting power follows different wires(#2 cables) which goes directly to the gen starter. So it will start even when your monitor is telling you the battery is low. The tank/battery monitor is feed from the 12v power buss/fuse box.
The converter feeds the 12v buss through different wiring than the battery feeds the buss and everything works correctly when on external power. So it isn't bad.
Look for a loose connection between the battery and the fuse box.
There are also (usually) auto resetting circuit breakers between the battery and fuse box. One other item you may have is a high current battery disconnect switch that could be defective. Not all RVs have them.
^ What this guy said.
The converter is fine. The batteries are fine. The connections aren't.
If you do have a battery disconnect switch, try cycling it a few times.
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