A Schwintek slide that has lost synchronization can cause both sides to start moving and then one side to stop, sometimes accompanied by a fault code.

Before you start replacing motors, controllers, or chasing wiring problems, there’s a simple thing you should check first.

In this guide, I’ll show you the first thing to check when a Schwintek slide appears to be out of sync—a quick step that could save you a ton of troubleshooting time and money.