E5

MECHATROLINK Watchdog Timer Err

Yaskawa · V1000 AC Drive

What does E5 mean?

The drive detected a watchdog circuit exception while receiving data from the MECHATROLINK controller, indicating a communication issue or severe electrical interference. This can lead to unreliable control of the connected motor and unexpected system shutdowns. If the error occurs frequently, it points to a critical stability problem in the communication link.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Implement measures to decrease the effects of electrical interference, referring to MECHATROLINK installation manuals for best practices.

Source: Yaskawa V1000 AC Drive
View Official PDF