Code 701850: Wrong search target in block search (tool call)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Wrong search target in block search (tool call) 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 block search was started, but the selected "search target" is not allowed due to the Siemens tool management. It is not possible to start the program. 1. Abort the block search. 2. Press [RESET] key. Message is cleared. Error messages NC Wrong search target in block search (tool call) 3. Correctly select the "search target". Error message only for SIEMENS tool management.
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 701850 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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