CPU Communications Error

What does E-19 mean?

This fault indicates a communication error between the internal control CPUs of the Altivar 212 drive, suggesting an issue with the internal communication bus or external electromagnetic interference.

• Internal communication error between control CPUs.
• Electromagnetic compatibility issues affecting internal communication.

Click steps to track your progress.

1. 1

   Check the operating environment for sources of electromagnetic interference.

2. 2

   Turn off power to the drive and restart it.

3. 3

   Contact Schneider Electric product support if the fault persists.