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E5SI-T3
Watchdog Timer Error
Yaskawa · Drive Fault Codes
¿Qué significa E5SI-T3 ?
A Watchdog Timer Error indicates that the drive's internal processor has stopped responding or is executing an endless loop. This is a critical software or hardware fault preventing safe operation and indicates damaged hardware requiring power cycling and replacement to restore functionality.
Causas comunes
- Processor lock-up due to a software anomaly or firmware bug
- Faulty hardware component causing the processor to halt or malfunction
- Severe electrical noise or interference interfering with processor operation.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Perform a power cycle by disconnecting and reapplying input power to the drive.
- 2
Isolate the drive from noisy electrical environments or sources of electromagnetic interference.
- 3
If the fault persists, the drive's control board or the entire unit likely requires replacement by a qualified technician.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Yaskawa Drive Fault Codes