Code 701600: Sensor monitoring! Tool gripper: Home position / tool magazine position
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Sensor monitoring! Tool gripper: Home position / tool magazine position 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
Both tool gripper sensors "Home position" and "Tool magazine position" register simultaneously. Tool loader functions are stopped immediately. 1. Check tool gripper in home position. 2. Check tool gripper in tool magazine position (magazine chain). 3. Check tool gripper in tool magazine position (background magazine). 4. As soon as the malfunction is remedied, press one of the following keys: [FEED START] [CYCLE START] [DELETE ERROR] Message is cleared. The diagnostic overview of the sensor signals can be found under: possibly with scroll up to the bar [DIAGN.GLOBAL] > [TOOL CHANG.] > [TOOL LOADER] Error messages Background magazine Sensor monitoring! Tool gripper: Home position / tool magazine position
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 701600 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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