UCF

Motor Underload (Undercurrent)

Schneider Electric · Altistart 22 Soft Starter

What does UCF mean?

The motor is drawing significantly less current than expected for its configured operating conditions. This typically indicates a loss of mechanical load, a broken belt/coupling, or an issue with the motor itself running unloaded.

Complete Troubleshooting Guide

  1. 1

    Inspect the mechanical load and transmission system for any disconnections, breakages, or reductions in load.

  2. 2

    Check the 'UId' (Undercurrent detection threshold) and 'UIt' (Undercurrent time delay) parameters in the 'PrO' menu (page 57) to ensure they are correctly configured for your motor and application's minimum operating current.

Source: Schneider Electric Manual