Device changed (same type)

What does 37 mean?

An option board or power unit has been changed, and a new device of the same type and rating has been detected. Subcodes S1-S5 specify the changed component: Control board, Control unit, Power board, Power unit, or Adapter board/slot.

• Device type recognized, but its configuration or firmware has changed.
• Parameter set mismatch after device replacement (same model).
• Updated firmware on a connected device not matching master configuration.
• Device identity changed during operation.

Click steps to track your progress.

1. 1

   Reset the fault to acknowledge the change. The new device will be ready for use, and existing parameter settings will be applied automatically.