That happens every time my coach sits in cold weather for about 30 days or more. This is even though the coach is plugged in. In my case, the jacks drift down during the non-use enough so there is not the 2,150 psi in the lines. I just reset the jack panel; the jacks go through a retract cycle and the everything works as it is supposed. You can reset the system by simultaneously pressing the enter and retract buttons for a second with the parking brake set
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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