Code 701508: PLC-MD incorrect: oil/air lubrication main spindle
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical PLC-MD incorrect: oil/air lubrication main spindle 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 PLC machine parameter "14512[12]Bit5" is set to 0 (without oil/air lubrication, main spindle), but one of the following PLC input signals is registered. Oil/air lubrication, oil filling level available Oil/air lubrication, oil operating pressure available Oil/air lubrication, air operating pressure available Oil/air lubrication, vacuum suction nozzle negative pressure available Feed Stop Read disable 1. Correct PLC machine parameter. 2. As soon as the bit is correctly set, switch off the control with the [Control OFF] key. 3. 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 701508 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.
Have a better solution?
Help the industrial community by sharing your repair experience for code 701508.
Need a searchable reference for more Chiron Siemens-Control CNC manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026