MECHATROLINK Watchdog Timer Err
Yaskawa · GA500 Maintenance and Troubleshooting
¿Qué significa E5 ?
The drive detected a communication watchdog error on the MECHATROLINK network, indicating a problem with data reception from the controller. This can lead to loss of control, unexpected motor stops, and disrupted automation sequences.
Causas comunes
- Break in the MECHATROLINK communication cable (e.g., damaged copper, loose connector).
- MECHATROLINK master controller not sending communication frames within the expected watchdog interval.
- Incorrect MECHATROLINK station address (e.g., S3-01) configured on the drive or master controller.
- Excessive electrical noise on the MECHATROLINK bus causing data corruption or missed frames.
- MECHATROLINK master controller fault or unexpected shutdown preventing frame transmission.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
1. Verify the integrity and secure connection of the MECHATROLINK cable between the master and drive.
- 2
2. Check the MECHATROLINK master controller's status and ensure it is actively communicating on the network.
- 3
3. Confirm the MECHATROLINK station address (e.g., parameter S3-01) on the drive matches the master's configuration.
- 4
4. Measure cable shield continuity to ground at both ends of the MECHATROLINK cable using a multimeter.
- 5
5. Temporarily disconnect other devices from the MECHATROLINK network to isolate potential interference sources.
- 6
6. Review the MECHATROLINK watchdog timer settings (e.g., S3-05) on the master and drive for consistency.