Code 700728: Temperature monitoring 6th axis
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Temperature monitoring 6th axis 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
Temperature monitor for the 6th axis has responded. Error messages Axes (>Z) Temperature monitoring 6th axis PLC input signal "Temperature monitoring 6th axis" is not registered. Feed Stop Read disable 1. Check the drive controller and the PLC input signal "Temperature monitoring 6th axis". 2. Check the axis control behaviour. 3. Check the axis stiffness. 4. As soon as the malfunction is remedied, press one of the following keys: [FEED START] [CYCLE START] [RESET] 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 700728 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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