SI-T Watchdog Error

What does E5 mean?

This fault indicates a consistency error in received control data or a synchronization problem between the master controller and the Drive when using an SI-T option card. It signifies a breakdown in reliable communication, which can lead to unpredictable Drive behavior or complete loss of control. Such errors require immediate attention to restore stable operation.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Check the physical communication wiring and connections for integrity, proper shielding, and correct termination.