Bystronic Laser Error Code List May 2026

| Error Code | Description | Likely Cause | Immediate Fix | | :--- | :--- | :--- | :--- | | | Water flow interrupted | Pump failed or airlock in circuit | Bleed the system. Check pump rotation. | | E-4015 | Dew point alarm | Humidity too high; water condensation risk | Turn on chiller's internal heater. Increase shop AC. | | W-4020 | Low coolant level | Evaporation or leak | Top up with deionized water + Bystronic additive. | | E-4055 | Compressor high pressure | Dirty condenser coil or fan failure | Blast coils with compressed air. Check fan motor caps. | E. Gas & Pneumatics Piercing and cutting rely on precise gas delivery.

| Error Code | Description | Likely Cause | Immediate Fix | | :--- | :--- | :--- | :--- | | | Capacitive sensor fault | Broken wire in head harness or dust contamination | Clean the ceramic ring. Inspect cable for cuts. | | W-3022 | Gap voltage unstable | Rust on sheet surface or heavy oil | Ground the sheet directly. Use anti-spatter spray. | | E-3045 | Nozzle stuck / Not centered | Thermal expansion tightened the nozzle | Replace nozzle. Lubricate threads with copper paste. | | E-3100 | Focus position not reached | Motorized lens stuck | Remove lens cartridge. Clean dovetail slides. | | W-3150 | Lens contamination warning | Beam splatter on protective glass | Rotate protective glass (if equipped). Replace. | D. Cooling System (Chiller) Overheating is the #1 killer of laser diodes and CO2 glass tubes. bystronic laser error code list

Check the official Bystronic Knowledge Base or contact your local HFO (Holistic Factory Outlet) with your machine serial number. | Error Code | Description | Likely Cause

Bookmark this guide. Next time your ByVision screen flashes red, take 60 seconds to match the code, check the "Likely Cause" column, and try the "Immediate Fix." You will solve 70% of errors without a service call. Increase shop AC

| Error Code | Description | Likely Cause | Immediate Fix | | :--- | :--- | :--- | :--- | | | X-axis following error | Dirt on linear guides; excessive acceleration | Clean rack/pinion. Reduce cutting speed. | | E-2028 | Y-axis limit switch triggered | Overtravel or faulty proximity sensor | Manual jog away from limit. Check sensor wiring. | | W-2050 | Reference point lost | Battery voltage low on absolute encoder | Replace CNC backup battery. Remachine reference marks. | | E-2101 | Z-axis collision detected | Cutting head hit a raised slug or fixture | Power off. Manually retract Z-axis. Check nozzle for damage. | | E-2200 | Servo drive fault (HW) | Axis stalled. Brake not releasing. | Check 24V power supply to drive. Reset drive breaker. | C. Cutting Head & Capacitive Height Control (CHC) The "smart" proximity that keeps the nozzle off the plate.