Hey there, I've come across a problem several times, and only found 1 slow solution, so I was wondering, if anyone had the same issues. Sometimes, when I do a download on a V1 PLC, deploy HMI (everything as the book says), the HMI locks up. This means, that if I go for a mode (like Manual), the system does the operation mode change, but after that, I cannot do Start or any other modechange. The HMI stays active, you can guide everywhere and press buttons, but the mode freezes and the machine will not start. Doing cold/origin reset doesn't work. Restart doesn't work. Download/activate config doesn't work. The only thing, that works is to do an Activate config with a totally different PLC project. Somehow it resets something, then I'm able to re-activate the original project, and everything is fine after that. Luckily it doesn't happen so often, but when it happens, it takes a lot of time to get it running again. Does anyone have a clue, what can cause this? What can be the thing, that is reset only by another project's activate config?
... View more