Avisos de alarma y fallo

4.2 Avisos de alarma y fallo

Tabla 4-9 Fallo 36

(Alarma) Defecto del contactor de alterna (falta respuesta), o pulsador de parada rápida accionado

Condición En la entrada 11/12 de la CU (conector verde) no hay ninguna señal; se transmitirá a S7 mediante Profibus; el variador ha recibido un comando CON

Causas

Falta alimentación para desconexión rápida

 

o Se ha accionado el pulsador de parada rápida

 

o Rotura de hilo en la desconexión rápida

 

o Defecto en la alimentación para desconexión

 

rápida

 

o Se ha activado el sistema de alarma

 

antiincendios (si lo hay)

 

Falta señal de respuesta del contactor de alterna

 

o Defecto del mando del contactor de alterna

 

(fuente de alimentación)

 

o Defecto en la bobina del contactor de alterna

 

o Defecto en los contactos auxiliares del

 

contactor de alterna

 

o Rotura de hilo

Soluciones

Desbloquee el pulsador de parada rápida

 

Sustituya el contactor de alterna

 

Desbloquee los contactos del contactor de alterna

 

Repare el cableado

Tabla 4-10 Fallo 37

(Alarma) Varios rearranques seguidos

 

Condición

El PLC S7 ha intentado rearrancar el variador

 

 

infructuosamente varias veces

 

 

 

 

Causas

Fallo en el variador

 

 

Fallo debido al servicio (dado el caso, se corregirá

 

 

automáticamente)

 

Soluciones

Repare el variador

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Siemens SINVERT 350 Causas Falta alimentación para desconexión rápida, Falta señal de respuesta del contactor de alterna

SINVERT 350 specifications

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