KPS Watchdog Error (Servo Bus Communication)

What does Watchdog power module PMx mean?

The maximum permissible number of communication errors with the servo bus has been exceeded by the KPS power module (PMx). This watchdog error causes short-circuit braking.

• Watchdog timer expired, indicating a failure in the KPS power module.
• Loss of synchronization or communication on the servo bus.
• Software issue causing the power module to become unresponsive.
• Hardware fault within the power module.

Click steps to track your progress.

1. 1

   Check the field bus – drives cable for proper connection, integrity, and shielding between all connected modules.