With ATV312,keeps on pressing MODE button during 3 seconds, drive should switch from remote configuration to Local configuration and vice-versa but it is not working. What could be the reason.
Remote to Local configuration switching and vice-versa by means of pressing MODE button for 3 seconds is made available
to ATV312 drive from product version v5.1 IE54. So, verify that product version of ATV312 is not older than V5.1 IE54.