Code 700127: Pendulum mode 'on' missing
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Pendulum mode 'on' missing 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 movable work area centre divider (swivelling/displaceable) has been plugged on the machine but option "Pendulum mode" or "Program number selection" has not been activated. Cause 1: Feed Stop 1. Depending on requirements, activate option "Pendulum mode" or "Program number selection". 2. Press [RESET] key. Message is cleared. Activate one of these options with the work area centre divider in place. In the machining program, the function M261 was output, which monitors whether the corresponding operating state has been activated. Feed Stop, if the corresponding operating state is not activated during a query. 1. Select the required “operating condition“ by pressing the respective key. 2. Check whether the option is set for the corresponding function. 3. Check whether the function was activated in the corresponding menus. 4. Press [FEED START], [RESET] or [Control OFF]. Message is cleared and the machining program can be continued.
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 700127 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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