Código 842: SUB PROGRAM NESTING EXCEEDED
Descripción del problema y advertencia de seguridad
El Mazak Mazatrol Matrix CNC ha desencadenado una alarma crítica SUB PROGRAM NESTING EXCEEDED. Se requiere la atención inmediata de un operador calificado o técnico de mantenimiento para evitar daños secundarios al equipo o piezas estropeadas durante el ciclo de fabricación. Asegúrese siempre de seguir los procedimientos de seguridad estándar y LOTO antes de acceder a los armarios eléctricos.
Pasos oficiales de solución de problemas
Type of error: B — Registered data (the program or tool data includes an error) Stopped status: I — Reset stop Clearing procedure: O — Eliminate cause -> press reset key Display colour: Red On-screen parameters (shown in parentheses): WNo., NNo., BNo. Cause: 1. The total number of sequential calls of subprogram has exceeded eight. 2. Executing a program that includes an “M99” command has been attempted in the direct operation mode of HD, IC memory card or the Ethernet. 3. Invoking a program stored within the HD, IC memory card or the host has been attempted from the HD, IC memory card or the host. Action: 1. Check the number of subprogram calls, and correct the program so that the number of calls does not exceed eight. 2. Do not include an “M99” command in the main program to be executed in the direct operation mode. 3. Do not invoke any subprograms of the HD, IC memory card or host from the main program of the HD, IC memory card or the host.
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.
Acerca de las alarmas de Mazak Mazatrol Matrix CNC
Los controladores industriales construidos por Mazak están diseñados con amplios sistemas de diagnóstico para proteger los circuitos internos y los enlaces mecánicos. Cuando un Mazatrol Matrix CNC arroja un código de error como 842, generalmente indica un desajuste entre los valores ordenados y la retroalimentación real del sensor.
Lista completa de alarmas: 714 Mazak Mazatrol Matrix CNC códigos.
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