Code 510119: Min. clean water coolant level
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Min. 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 switch "Coolant level clean water MIN“ signals "Minimum" (signal state = 0). The switch is evaluated with a delay time (Txx). The PLC input signal "Coolant level clean water MIN." is not present. Feed STOP and Spindle STOP The 1st coolant pump, the 2nd coolant pump and the bed rinsing are turned off immediately. Error messages Cooling lubrication Min. clean water coolant level 1. Check filling level in the clean water tank. 2. Check the float switch "Coolant level clean water MIN." and the PLC input signal. 3. As soon as the malfunction is remedied, press one of the following keys: [FEED START] [CYCLE START] 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 510119 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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