Code 703119: Main spindle speed greater than 800 rpm not possible! Amplifi- cation motor, main spindle is engaged
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Main spindle speed greater than 800 rpm not possible! Amplifi- cation motor, main spindle is engaged 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
Main spindle amplification motor is engaged on the spindle and a speed greater than 800 rpm was programmed. Amplification motor has a permissible maximum speed of 800 rpm. Read disable Feed STOP and Spindle STOP With the amplification motor engaged, a speed greater than 800 rpm is not possible. 1. Program a speed less than or equal to 800 rpm. 2. Disengage the amplification motor. 3. Press [RESET] key. Message is cleared. Error messages Tool change Main spindle speed greater than 800 rpm not possible! Amplification motor, mai...
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 703119 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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