Code 702236: Called-up tool is in the tool sluice
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Called-up tool is in the tool sluice 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 tool was called, but this tool is currently in the tool gate. Error messages Background magazine Called-up tool is in the tool sluice Machine stops during tool changing operation and waits until the tool is back in the background magazine. The tool must be loaded from the tool gate into the background magazine. After the tool has been loaded into the background magazine, it is fetched, changed into the spindle and the machine continues to run.
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 702236 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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