Code 700004: EMERGENCY STOP button
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical EMERGENCY STOP button 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
It was attempted to switch on the control, but an [EMERGENCYSTOP]button on the machine is pressed (locked). The PLC input signal "EMERGENCY STOP buttons OK" is not registered. The control is switched off and cannot be switched on. 2. Unlock the [EMERGENCY-STOP] button on all operating elements. Switch on the control on the operating panel with the [Control ON] key. 3. Press [RESET] key. Message is cleared. All [EMERGENCY-STOP] buttons must be unlocked before the control can be switched on.
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 700004 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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