Code 700250: Main spindle standstill (1)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Main spindle standstill (1) 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
For example, "Coupling speed " has been output but the spindle does not run. Feed Stop Read-in enable missing. The tool changer does not move upwards. 1. Check spindle enable and spindle signals. 2. Check drive controller. 3. As soon as the malfunction has been remedied, switch to "manual mode". 4. Press [RESET] key. Message is cleared.
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 700250 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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