ATC Troubleshooting Any system that allows you to manually, semi-automatically, or automatically change from one tool to another. ATC and PDB Troubleshooting Pages Device Homing Error Tray-In Sensor Fault Low Air Pressure or Malfunctioning Air Pressure Switch BT30 Drawbar Adjustments for Better Tooling Removal Manual Tool Change with Dead ATC Board - 1100MX Pneumatic Seal Replacement for Leaking Drawbars Check Fuses and Cabling Error Getting Out of an ATC Jam