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Code 701626: Check sensor: >Magazine place free (magazine chain)<

Issue Description & Safety Warning

The Chiron Siemens-Control CNC has triggered a critical Check sensor: >Magazine place free (magazine chain)< 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

While fetching or depositing a tool from/in the magazine chain, it was determined that the PLC input signal "Magazine place free (magazine chain)" was registered during the entire change. During the tool change, the sensor is monitored for a signal change from (1) to (0). Error messages Tool change Check sensor: >Magazine place free (magazine chain)< Tool gripper is still moved to the home position. Afterwards, the tool loader functions are stopped. 1. Check the sensor and the PLC input signal "Magazine place free (magazine chain)". 2. Check the setting of the sensor relative to the adjustment instructions. NOTICE! Adjustment should only be carried out by trained and instructed personnel. 3. As soon as the malfunction is remedied, press one of the following keys: [FEED START] [CYCLE START] 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]

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 701626 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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