Code 700143: 4-axis not in position
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical 4-axis not in 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
"Swivel workpiece changer" has been output, but the 4th axis is not in change position. "Clamp/unclamp clamping device" was output, but the 4th axis is not at the right position. A tool change is pending, but the 4th axis is not in the tool change position. The command for "Loading/unloading" the workpieces by the loader should be executed, but the 4th axis is not in the right position. The error has the following effect: Feed Stop No axis movements possible. Read disable Control reads no further program blocks into memory. Desired function is not executed. 1. Check the current position of the 4th axis. 2. As soon as the malfunction has been remedied, press the [RESET] key. Message is cleared. 3. If the message is not cleared, check the position switch of the axis. NOTICE! When programming the individual functions, pay attention to the danger of collision with other components: Examples: Centre divider while turning the workpiece changer Devices during tool change
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 700143 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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