Jon1711 Posted April 6, 2017 Report Share Posted April 6, 2017 Hi all, Halfway through a download to my V430 PLC over USB, the power to the PLC was cut off. When I tried to turn the PLC back on again, the screen wont turn on. Is there a way to factory reset the PLC? Do I need to remove the battery? Thanks in advance. Jon Quote Link to comment Share on other sites More sharing options...
liranaftali Posted April 6, 2017 Report Share Posted April 6, 2017 Hi, What I recommand you is the following: Turn OFF the PLC-->click and hold the touchscreen-->turn ON the PLC (it will enter to factory mode-->check the communication PLC to PC. If there is communication: update the PLC OS: follow the below procedure: Go to connection menu>Communication & O/S> 4th tab check the current version> in the opned window: click on 'next' buttins in order to download OS to the PLC. Quote Link to comment Share on other sites More sharing options...
MVP 2021 Joe Tauser Posted April 11, 2017 MVP 2021 Report Share Posted April 11, 2017 On 4/6/2017 at 5:00 AM, liranaftali said: Turn OFF the PLC-->click and hold the touchscreen-->turn ON the PLC (it will enter to factory mode-->check the communication PLC to PC. If there is communication: update the PLC OS: For additional information on what to do when a Unitronics goes weird, search the Help for "bootstrap". Joe T. 1 Quote Link to comment Share on other sites More sharing options...
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