Code 701742: Max. super clean water coolant level
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Max. super clean water coolant level 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 float switches "Coolant level super-clean water MAX." and "Coolant level chip conveyor MAX." signalled maximum at the same time (signal state = 0). The switch is evaluated with a delay time (T71). The PLC input signal "Coolant level super-clean water MAX." is not present. Feed STOP and Spindle STOP The lifting pump, the 1st coolant pump, the 2nd coolant pump, bed rinsing and the rinsing pump are switched off immediately. Error messages Cooling lubrication Max. super clean water coolant level 1. Check filling level in the clean water tank. 2. Check the float switch "Coolant level clean water MAX" and the PLC input signal. 3. As soon as the malfunction has been remedied, the message is automatically 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 701742 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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