COM.E

Communication error

Schindler · Easy Altivar ATV310 Drive

What does COM.E mean?

This communication error indicates a 50 ms timeout, appearing after 220 retry attempts. It signifies a problem with the communication link between the drive and the remote display terminal, preventing proper data exchange.

Common Causes

  • A 50 ms communication timeout error between the drive and the display terminal.
  • Loose or faulty wiring connections for the communication cable.
  • Electromagnetic interference affecting the communication line.
  • Incompatible communication settings between the display terminal and the drive.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the physical communication wiring between the display terminal and the drive for secure connections and proper termination.

  2. 2

    Inspect the communication cable for any signs of damage, wear, or incorrect routing that could lead to interference.

  3. 3

    Verify that the communication settings (e.g., protocol, address, baud rate) on both the display terminal and the drive are correctly configured and match.

  4. 4

    Ensure that both the drive and the display terminal are properly powered and that power supplies are stable.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Schindler Easy Altivar ATV310 Drive
Schindler Error COM.E: Communication error — Troubleshooting Guide | ErrorLib