I bought a 98 HR Endeavor with a center mounted LP tank. The panel in the bathroom shows the LPG as being full. The fridge worked on LP for about a week, as did the stovetop. Then everything qu...
Any gauge can malfunction, even the most reliable ones. It sounds like something is wrong between the tank and the indoor gauge; an open circuit, a short circuit, a stuck sensor, etc. You can take it to a qualified service person and have it checked and repaired, or you can just rely on the tank mounted gauge (if it is really working). Personally, I would want the dang thing to work the way it should. The repair might be simple and inexpensive, or it could be rather pricey. good luck.