It could be your 50A self resetting circuit breaker. You need to separate the hydraulic system from the rest, on it's own 80A breaker.
Download the MyLCI app from Google play store. Lots of good info, TSB, manuals and troubleshooting are available on the app. Everything at your fingertips.
Hydraulic circuit breaker- Lippert bulletin
https://manuals.heartlandowners.org/...ippert0058.pdf
Hydraulic troubleshooting manual in the files section of the webpage
https://www.montanaowners.com/forums...id=3&sort=date