Aladden system
was working on my tank sensors today on my 2007 HR navigator, got the black and gray tank to read right, but the fresh water sensor will only read 25%.so I switched the gray water sensor with the fres...
Forum Discussion
The code is 1218. You should clean the sensors, then have an empty tank, you will also have to measure the height of each tank to have an accurate setting. The formula is right on the Aladdin. Then to do it right you need a full tank to set the full, although I usually just set the empty. I've had our 2007 Nav since 2008 and have done it twice, the last time several years ago with no problems. Hope this helps.
