Code 700762: Min. chip conveyor coolant level
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Min. chip conveyor 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 chip conveyor MIN“ signals minimum (signal state = 1). Coolant tank is empty. The PLC input signal "Coolant level chip conveyor minimum" is present. 0 = Coolant level OK 1 = Coolant low Feed Stop and Spindle Stop after end of program The 1st coolant pump is switched off after end of program. 1. Check the coolant level in the chip conveyor. 2. Check the float switch "Coolant level chip conveyor 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 and the machining program can be continued. Error messages Cooling lubrication Min. chip conveyor coolant level
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 700762 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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