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Code 701627: Check sensor: >Magazine place free (background magazine)<

Issue Description & Safety Warning

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

During collecting or depositing of a tool into the background magazine it was noticed that the PLC input signal “Magazine place free (background magazine)“ was on during the whole time of the tool change. During the tool change, the sensor is monitored for a signal change from (1) to (0). 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 (background magazine)". 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: Chapter 2.2 ‘Tool changer diagnostics menu’ on page 11 Error messages Background magazine Check sensor: >Magazine place free (background magazine)<

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 701627 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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