Xc2003 Controller Manual _verified_ ● <RELIABLE>

| Symptom | Likely Cause | Solution | |---------|--------------|----------| | No LEDs lit | Power missing or reversed | Check 24V supply and wiring | | ERR LED flashing | Program error or watchdog timeout | Connect XC‑Studio, read error log | | No communication | Wrong baud rate or address | Verify DIP switch settings | | Analog input reads 0V | Sensor not powered or wiring loose | Check sensor supply and terminal connection |

Default factory setting (recommended for Mach3): SW1=OFF, SW2=OFF, SW3=OFF, SW4=OFF. xc2003 controller manual

Optional Fleetlink support for remote monitoring and diagnostics. | Symptom | Likely Cause | Solution |

: Press and hold the Enter button for 2 seconds to enter edit mode. Use the up/down arrows to reach the desired pressure (up to 200 PSI) and press Enter to save. Use the up/down arrows to reach the desired

: Updates are performed via a USB stick. The process involves powering down the controller, inserting the stick, and selecting "Update parameters" in the production test menu. Technical Guides & Resources

Using an incorrect power supply (e.g., 5V or 48V) will fry the controller. The manual’s first warning is always about voltage.