The last time this happened (leveling control panel turning on at engine start up) I could not deploy the jacks because I hadn't set the parking brake.
I can't imagine having the parking brake disengaged while the jacks are down, but I suppose it's a possibility if someone sits in the driver's seat and plays with knobs, levers, and switches (kids or deranged adults). I wondered if there is bleed-by in the levelers while the RV sits for an extended period of time. But most likely it's a small leak that is dropping the up-pressure in the system.
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