52

Keypad Communication Fault

Vacon · 100 FLOW Application

What does 52 mean?

The connection between the control panel (keypad) and the drive is defective, preventing proper communication. This could be due to a faulty cable, improper seating of the keypad, or a damaged control panel itself. Loss of communication means the drive cannot be controlled or monitored via the keypad.

Complete Troubleshooting Guide

  1. 1

    Inspect the connection of the control panel to the drive, ensuring it is securely seated.

  2. 2

    If applicable, check the control panel cable for damage or loose connections.

  3. 3

    Attempt to restart the drive and re-seat the keypad.