Code 701422: Central lubrication system: interval not allowed ! PLC-MD wrong
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Central lubrication system: interval not allowed ! PLC-MD wrong 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
The option for central lubrication has been set, but no correct value for the interval time has been entered in the PLC machine parameter 14510[35]. Feed Stop 1. A correct value must be entered in the PLC machine parameter 14510[35]. Grease lubrication: An input from 1 up to 80 hours is permitted. Oil lubrication: An input from 10 up to 300 minutes is permitted. 2. “NCK-RESET“ is required after the machine parameter has been set. Grease lubrication: The standard setting is 8 or 25 hours. Oil lubrication: The standard setting is 240 or 300 minutes. Error messages Central lubrication system Central lubrication system: interval not allowed ! PLC-MD wrong
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 701422 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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