xdry05

Could be sensors are clogged with accumulated gunk. Suggest trying either chemical sensor cleaner, available at RV supply store, or a power flush from the top through the toilet with a spinning, black tank flush tool which attaches to a hose through the bathroom window, also available from RV Supply Store or RV Dept at Walmart.

If you're willing to travel North to Palm Beach County try: Land Yachts, Inc. 1414 Commerce Lane Jupiter, Florida 33458-5512 Main 561.745.0242