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's a link to test the solenoid and hydraulic pump.
https://support.lci1.com/documents/t...arity-solenoid