Code 701937: Tool ID system: Read tools in the background magazine running
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Tool ID system: Read tools in the background magazine running alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
This is only an informational message saying that the "SCANLAUF" in the background magazine is currently active. With "SCANLAUF", the tools in the background magazine are read and the tool data is written to the tool management system. No effect. Message disappears automatically after ending the activity. Operation can be canceled with the [RESET] key. Error messages Tool identification Tool ID system: Read tools in the background magazine running
Source: CHIRON Error Message Overview, all series (Siemens control, V2.0.6, 2012)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Chiron Siemens-Control CNC Alarms
Chiron controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 701937 on the Siemens-Control CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Chiron's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 545 Chiron Siemens-Control CNC codes.
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