Originally Posted by Mattera68
I let my coach batteries go too long, they should have been replaced a while ago. I finally replaced them but now my holding tank gauge panel that also has LPG level and battery level is not operating correctly. The holding tanks are showing full or 3/4 full, the battery is showing low and the LPG is not matching up the the gauge on the tank. I'm wondering if the batteries being low may have damaged a board or something go do with this panel. Any suggestions.
I have a 2006 SportsCoach-the panel should be similar if not the same.
I find that the holding tank indication is often incorrect, reading more full than actual. I've read that solids may coat the sensor and give erroneous indications at times. You can try and clean the sensor by placing ice cubes in the tank and driving around a bit. That tends to scour the sensor clean.
My LPG indication on the panel likewise seems to vary mostly with temperature. BTW, the LPG tank at ~3/4 full on it's gage reads full on the panel (there's an airspace left in the LPG tank on purpose). As the LPG gets used up, high temps outside indicate fuller. Opposite when cold.
Are your new batteries fully charged? -if so, they should read full green on the indicator panel.
I can't see how low batteries would have damaged the panel. But electronics are finicky. I don't know if this is helpful, but that's how mine work...