Camping this weekend near PHX, AZ my jacks wouldn't retract. Thankfully my son found the circuit breaker that had popped. The breaker is located on the driver side, outside, second hatch away from the cabin door. Once he pushed the breaker back in everything worked perfectly. We'd been driving hard from Texas; lots of miles, and rain, so that might have been why circuit popped. Campground was more uneven than most (I've found the FR3 jacks really like level ground even though they are suppose to help with leveling your motorhome) so that probably didn't help either. But thought owners would want to know what we encountered.
BTW called the number in the owners manual, the mfg, and they were less than helpful. Downright dull in every regard.
I'm learning that once you buy a coach you are totally on your own. If you don't know it, learn it, because your dealership, warranty folks, and manufactures really don't want to hear from an owner, much less help anyone in trouble.