How do you reset a Tesys T back to factory settings

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How do you reset a Tesys T (LTMR devices) back to factory settings?

The first and essential step is to stop the system, it cannot be in Run for this process to work.

You must then press the blue reset button for 15 seconds, until the Alarm LED blinks. Then, release the button.

Reset is complete, and the Tesys T unit will now enter setup menu.

Below is a video that shows the full process including the change in LED's and the Operator HMI

Released for: Schneider Electric UK

Published on:31/10/2018Last Modified on:08/08/2025

Range:

TeSys T

Range:

TeSys T

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