Code 700124: Check test signal of protect. doors
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Check test signal of protect. doors 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
On using "Automatic doors", the input registers "Door open" but there is no protective door input signal "Test". This constellation is not allowed. Program is not influenced, but an error message is output. 1. Check the limit switches and inputs of the locking switch and safety relay. 2. Check protective doors limit switches "Open" and inputs. 3. Once the malfunction has been eliminated, switch off the control with the [Control OFF] key. 4. Turn on the control with the key [Control ON]. Message is cleared.
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 700124 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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