Code 700023: PLC-MD wrong (spindle quad rings)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical PLC-MD wrong (spindle quad rings) 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
Error message occurs as soon as the PLC machine data (without quad-ring monitoring) is set at 1, but the PLC input „Quad-ring positioned“ exists. The error has the following effect: Feed Stop No axis movements possible. "Spindle Stop" Tool spindle is stopped. Speed no longer possible. 1. Correct PLC machine parameter. (With quad-ring monitoring = 0, without monitoring = 1) 2. Check the PLC input „ Quad-ring positioned“. 3. Once the malfunction has been remedied, press the [Control OFF] key. Message is cleared. PLC machine parameter may only be set if the system does not have a pressure switch for monitoring the quad-ring. If the PLC machine parameter is set to 1 (without monitoring), the input must not be registered.
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 700023 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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