janian21 Posted December 11, 2016 Report Share Posted December 11, 2016 Hi guys, I'm using an M90-19-B1A controller and after downloading the program into it, it now reads M90 Bootstrap. Is there a way I can get out of this or do I have to try and reload the program. Cheers Ian Quote Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted December 16, 2016 MVP 2023 Report Share Posted December 16, 2016 Try reloading the OS and then load a blank program to get the PLC back to a known state. Joe T. Quote Link to comment Share on other sites More sharing options...
raghavan Posted November 16, 2017 Report Share Posted November 16, 2017 I AM FACING THIS PROBLEM OFTEN WITH ONE OF THE V120-2-UA2 PLC INSTALLED 3 YEARS BACK. AFTER REPEATED OS DOWNLOADING IT IS COMING TO NORMAL. BUT IN ONE OF THE M91-2-R2 (VER1.2) IT HAD GONE TO BOOTSTRAP MODE AND HAS NOT RESUMED YET I HAVE TRIED REPEATED DOWNLOADING OF THE OS VER 3.9 IT SHOWS OS DOWNLOADING SUCCESSFUL. BUT THE PLC STILL SHOWS BOOTSTRAP VER 1.2 AND COULD NOT BE RESUMED. WHAT IS THE SOLUTION.? Quote Link to comment Share on other sites More sharing options...
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