Batteries Overcharging Badly

[gondolaguy]

David,

As you know, my three way switch titled "Aux battery" does not light up when in the center "off" position. It only lights up when depressed to the right or momentarily depressed to the left. Here was what I saw on a post on the other WL website

"This is what my LXi manual states, your M380 setup may be different.

AUXILIARY BATTERY
A three position switch – ON, OFF and Momentary ON. The Momentary ON
position connects chassis and coach batteries to aid in engine or generator
starting should this need arise. The ON position connects both sets of batteries
to the battery charger and is primarily intended to maintain all batteries during
long-term storage. The OFF position is the normal position while the coach is
in use, either driving or parked."

This is from the same year LXI as mine. I wonder then if mine is not functioning correctly and/or if your memory of yours is off???