Use a turkey baster. Stick it in the tank and stir a little then suck up some fluid. Using a paper towel squeeze the fluid onto the paper towel and let it seep through. See if there are any contaminants such as sand or rust.
If one piece of sediment gets to the seal on a jack it can cause that slow drop. You may also on occasion see fluid on the top side of the jack foot.
As stated, bad solenoid or manual set screw open a little can also cause the problem.
For the alarm sounding when going down the road I put in a toggle switch on my previous Winni to shut off power to the control board once the jacks were up.
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Wayne MSGT USMC (Ret) & Earlene (CinCHouse)
2015 Winnebago Tour 42QD - 2020 Lincoln Nautilus Reserve (TOAD)
(RVM-14) It is what it is, and then it is what you make of it.
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