Code 700207: Temperature registration fault
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Temperature registration fault 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 fault has been found on ascertaining the temperatures. Read-in enable is missing and Feed Stop after end of program (end of program when H10 is output). 1. Check the currently measured temperature. 2. Check sensors (measure resistance). 3. Check TMU module. 4. Turn off the control with the key [Control OFF] 5. Turn on the control with the key [Control ON] Message is cleared. The menu can be found under: Chapter 2.10 ‘Thermocontrol’ on page 12
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 700207 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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