Do you have an HWH leveling system? If so, go on their website and download the manual and trouble shooting guide for your system. Those resources should give you the information you need.
Sold the Motorhome, joined the fully retired gang. '07 Winnebago Journey 34H, ISB-02, MH2500
Toad - '08 Ford Taurus X, Blue Ox, Aventa
US Gear UBS