Bystronic Laser Error Code List May 2026
The Ultimate Guide to the Bystronic Laser Error Code List: Diagnosis, Solutions, and Prevention
Preventive Maintenance: Avoid the Error Code List Entirely
The best Bystronic laser error code list is an empty one. Adhere to Bystronic’s strict maintenance schedule:
Part 2: Detailed Bystronic Laser Error Code List
4. ByVision / BySoft Control System Errors
| Code | Description |
|------|-------------|
| E-4000 | NC kernel communication lost | Ethernet cable, real-time issue |
| E-4010 | PLC watchdog timeout | Cycle overload, firmware bug |
| E-4020 | Safety circuit open | Light curtain, emergency stop, door contact |
| E-4030 | Program version mismatch | Incompatible BySoft version |
| E-4040 | Hard disk full (IPC) | Log files, no space for nesting | bystronic laser error code list
Quick Troubleshooting Tips Before Calling Service
- Restart machine (control + drives + laser) – many errors clear after cold start.
- Check basic utilities – power phase, compressed air (6–8 bar), cutting gas, chiller water.
- Clean optics – lens, nozzle, protection glass.
- Check fuses – inside electrical cabinet and chiller unit.
- Update BySoft – software bugs sometimes cause phantom errors.
Maintenance actions that prevent many error codes
- Daily: Clean nozzle, head window, and table; check coolant level and chiller status.
- Weekly: Inspect filters, gas filters, and hose/line integrity.
- Monthly: Verify encoder and motor cable connections; lubricate guide rails.
- Annual: Full optics alignment, resonator check, and preventive service by certified technician.
Daily
- Clean the nozzle and focus lens.
- Check assist gas pressure.
- Empty the slag cart.