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Old 11-03-2014, 01:09 PM   #99
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2008 25' Classic
Wichita Falls , Texas
Join Date: Nov 2012
Posts: 4,273
I've calibrated twice since the last post and have not had a successful calibration.

Question, how many gallons are enough to submerge the sensor in the fresh water, black and grey tanks during the Ready for Empty mode? I've been using 4 gallons to start with. Should it be less or more?

After the first effort I went out this weekend. The freshwater had been reading full but when I got to the campground with a full tank of water it was reading empty. Black and grey were reading empty but that was expected since the tanks were empty. As the weekend finished neither the black and grey moved off the last or empty LED so nothing was being monitored. When I got home yesterday and tried to calibrate again. I flushed out the black first. I used 4 gallons of water in each tank. Then filled the tanks, black flush to fill the black tank until it was a couple of inches from the toilet flange, grey was filled until it burped the shower drain then I let out a couple of gallons and the fresh was filled until I could hear what seemed the water nearing the top of the tank. Calibration then continued and the black and grey failed to calibrate but the fresh water did. I'm not sure what I'm doing wrong.


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