How to use this list
| Error Code | Message | Immediate Fix | | :--- | :--- | :--- | | 7005 | Chiller flow rate too low | Check pump impeller; clean Y-strainer; look for kinked hoses. | | 7020 | Chiller water conductivity high (Fiber) | Deionized cartridges exhausted. Replace DI resin and test conductivity (<0.1 µS/cm). | bystronic laser error code list
: Informational alerts about current machine states. How to use this list | Error Code
When to call Bystronic service or certified technician | : Informational alerts about current machine states
Often due to dirty pneumatic cylinders moving the shutter. Cleaning the cylinders typically resolves this. "Byposs" Error Water Flow Interruption
| 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. |