Code 700162: Releasing tool in automatic mode with key is activated
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Releasing tool in automatic mode with key is activated 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
The function "H58“ (Tool release with button) was selected. It is necessary to release the tool in the program for special measuring tests If the function is output, the spindle tool can be released in the machining program with the key [TOOL UNLOCKING]. This is possible when the spindle is stationary and when no feed is activated. To deactivate: H59 (deactivate "Unclamp tool" with key) or press the [RESET] key.
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 700162 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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