I know there were issues with the slides when the Voltage first came out. It seems like many of these were related to large slide outs, maybe larger than the Schwintek system is capable of handling. ...
I don't get on here much anymore but will put my 2 cents in. Have a 2012 voltage with 2 slides...small bedroom one and a larger living room one. Had 1 motor fail on the bedroom slide the first yr we had it. Haven't had any issues since. I will second making sure the camper is level before putting out the slides. They do struggle a little sometimes. Overall I'm very happy with my camper and plan to keep it for many more yrs.