Code 701741: Time monitoring transport paper filter
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Time monitoring transport paper filter 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 activation of the paper transport has exceeded a maximum running time of about 30 seconds. The PLC input signal “Transport paper filter“ stays on continuously. Evaluation and "Feed Stop" occur with non-automatic or with rapid feed (G0) or program end. The coolant (flush water) and the lifting pump are switched off immediately. Error messages Cooling lubrication Time monitoring transport paper filter 1. Check paper transport actuation. 2. Check the float switch and the PLC input signal. 3. As soon as the malfunction is remedied, press the following key: [FEED START] Message is cleared. By switching the machine control off and on again with [Control OFF] and [Control ON], the message is reset.
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 701741 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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