Código 126-007F: Self-test cannot be started
Descripción del problema y advertencia de seguridad
El Heidenhain TNC Series CNC ha desencadenado una alarma crítica Self-test cannot be started. 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
[Cause of error] Before the self-test (emergency stop test), an error occurred that prevents the test from starting: - Emergency stop error has occurred - Emergency stop button was pressed - Emergency-stop circuit is defective - Internal temperature of an HSCI component is too high - Internal temperature of an HSCI component is too low - The fan of an HSCI component is defective - The power supply to the component is missing, too low or too high - HSCI cabling is missing or defective [Error correction] - Note further messages. - Use the HSCI bus diagnostics to find out which components are reporting an error - Check the emergency-stop circuit - Check the power supply to the affected HSCI components - Check the HSCI cabling - If necessary, exchange the HSCI component - Generate the service files and inform your service agency [10] 10/2023
Source: HEIDENHAIN NC Error Messages — TNC7/640/620/320/128, CNC PILOT 640, MANUALplus 620 (10/2023)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
Acerca de las alarmas de Heidenhain TNC Series CNC
Los controladores industriales construidos por Heidenhain están diseñados con amplios sistemas de diagnóstico para proteger los circuitos internos y los enlaces mecánicos. Cuando un TNC Series CNC arroja un código de error como 126-007F, generalmente indica un desajuste entre los valores ordenados y la retroalimentación real del sensor.
Lista completa de alarmas: 4497 Heidenhain TNC Series CNC códigos.
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