Code 701462: Air suctioning: Filter monitoring, alarm max (filter dirty)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Air suctioning: Filter monitoring, alarm max (filter dirty) 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
"Exhaust fan, filter monitoring alarm max. for monitoring the filter elements" sensor has responded. PLC input signal "Exhaust fan, filter monitoring alarm max." is not registered. Machine is stopped immediately, Feed Stop / Spindle Stop. Coolant is switched off. Exhaust fan remains switched on. 1. Clean filter elements. 2. Check PLC input signal "Exhaust fan, filter monitoring alarm max." 3. Once the malfunction has been remedied, press [RESET] key 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 701462 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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