My problem was...
I took my unit out on its first trip. Got to the campground and tried to put the bedroom out. It went but was making a noise that was different than the dinette (FR3 DS25). It got about half way out and I stopped before I broke something.
It appears that the gearbox that moves it in and out has a bad gear in it. I called the dealers service department, they called the manufacturer. The suggestion was to have the wife push the button in and I would get outside and push (assist) the slide back in. That was enough to get it back in. We were 91 miles from the house and were not going to drive with it out.
I had to get above the bed, in the 4 doors and remove a panel to see the motor, shaft and gearbox. When the button was pushed the motor, flexible shaft all turned good. BUT the gear where the 2 bicycle chains attach was not moving.
The unit is now at the house and a gear box is on order. I suspect that the unit might have been damaged at the RV show prior to us buying it. But its a warranty issue and it will be fixed.
NOW with all that said you might want to try pushing from the inside and push it out, with some help on the bed out button. It might just need a nudge to get it moving. Before hitting the road you might want to cycle it a few times. The service manual is available online, but it was completly useless for my problem.
I hope that helps you some...You might have to get into the same space over the bed and remove the 9 screws that hold the cover on and put a drill motor and the flexible shaft to turn it out. The service manual shows that part, but finding the motor, shaft and gearbox was like an Easter egg hunt...
2014 FR3 25DS (Bought 2-22-2014)