Download the Lippert NOW app from Google play store. Lots of good info, manuals, TSB, troubleshooting etc.
Lippert also has excellent help desk support.
Phone: 574-537-8900
Email:
customerservice@Lci1.com
Here is a link to the procedure for testing the hydraulic pump and dual polarity solenoid switch.
I suspect a problem with the switch or relays telling it which way to go.
https://support.lci1.com/documents/t...arity-solenoid