Code 194: NO TOOL DATA IN PROGRAM
Issue Description & Safety Warning
The Mazak Mazatrol Matrix CNC has triggered a critical NO TOOL DATA IN PROGRAM 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
Type of error: E — NC equipment (system hardware/software error) Stopped status: I — Reset stop Clearing procedure: P — Press reset key Display colour: Red On-screen parameters (shown in parentheses): WNo., UNo., SNo. Cause: An internal error(s) has occurred when circumferential speed or feedrate changing by VFC function was under way. Action: After checking the entire data of the program being executed, tool data, tool file, parameters, etc., save the data using the data I/O operation (floppy disk) and then contact Mazak Technical Center or Technology Center.
Source: Mazak Mazatrol Matrix — Parameter List, M-Codes, Alarm Manual (Section 3 Alarm)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Mazak Mazatrol Matrix CNC Alarms
Mazak controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 194 on the Mazatrol Matrix CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Mazak's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 714 Mazak Mazatrol Matrix CNC codes.
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