Code 701539: Oil/air lubrication main spindle -> prelubrication is running
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Oil/air lubrication main spindle -> prelubrication is running 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 pre-lubrication of the "Oil/air lubrication, main spindle" is running. After the machine has been switched off for a relatively long period of time (> 15 minutes), the spindle must be prelubricated. Prelubrication takes 10 minutes! No spindle speed is possible during prelubrication. After prelubrication is finished, the message is automatically cleared and the spindle speed is enabled. The menu can be found under: Chapter 2.6 ‘Oil/air lubrication’ on page 12 Error messages Oil/air lubrication Oil/air lubrication main spindle -> prelubrication is running
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 701539 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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