Code 701430: Caution - turning tool in the spindle! No speed possible..
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Caution - turning tool in the spindle! No speed possible.. 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
A speed was programmed for the main spindle although a turning tool is in the main spindle. Read disable Feed / Spindle Stop No speed is possible on the main spindle. 1. Check the speed programming or the tool type of the spindle tool. 2. Once the malfunction has been remedied, press [RESET] key Message is cleared. As long as a turning tool is in the spindle, no speed is possible. The tool types 500-599 are turning tools and are monitored.
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 701430 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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