Are you trying in auto mode?
Do the airbags deflate?
Does the pump run but no jacks go down?
Have you tried manual mode?
I have had a few times in the past where coach was level enough that jacks would not move in auto mode.
Dan & Sharon (Kasey, Our Yorkie, RIP 9Jan'05-26Jul'17)
2012 Winnebago Journey 36M
2020 Chevy Equinox, Blue Ox Aventa II, Air Force One
If You Obey All The Rules, You Miss All The Fun