Originally Posted by Hockeynut
I found out it is a Schwintek system. Sounds like a power/electrical issue.
If it's a Schwintek, you will have tracks on the side of the slide, where the gears drive it in/out. You will have 2, or if it's a big slide, 3 tracks on each side. There is no manual crank option on a Schwintek.
You need to find the controller, and follow the instructions on Lippert's (Lippert bought Schwintek) site to get the trouble code. Some people have reported water intrusion into the controller box, if you have another slide, you could temporarily swap for a functioning controller. Sometimes, unplugging and the re connecting the controller will get it going.
You can check Lippert's site for a check procedure PDF and other troubleshooting/adjustment tips.
More common seems to be a failure with one of the motors due to getting wet. There are 2 motors at the top of each slide mounted in a column. Each motor drives a rod with gears mounted that drive gears to move the tracks. You can disconnect the motor by removing a screw, and pulling the motor up to disengage it. I had a motor fail on a small slide, and we were able to get it back in by disconnecting the motor, the tech pushing on the disconnected sid, and me working the slide button in/out, until we got it in. If you disconnect both motors, you should be able to push the slide in, may take a few strong people. My slide was installed improperly, it was not square, and needed to be rebuilt, new columns, new motors. $$$
I hope your issue is a simple one. If you are able to get it in using the motors, once in a safe place (in case it gets stuck), you can run the re-time process.