tbS

Too Many Starts (Cool-Down Active)

Schneider Electric · Altistart 22 Soft Starter

What does tbS mean?

This message is displayed after an 'SnbF' (Too many starts) trip when a technician attempts to reset the soft starter before its internal cool-down timer has fully expired. It indicates a mandatory waiting period to allow the soft starter components to cool.

Complete Troubleshooting Guide

  1. 1

    For frame size A soft starters, wait a minimum of 5 minutes before attempting to reset.

  2. 2

    For frame sizes B, C, D, and E soft starters, wait a minimum of 15 minutes before attempting to reset.

Source: Schneider Electric Manual