Antal Posted November 26, 2020 Report Share Posted November 26, 2020 Hi all I'm new to the forum. This is the mistake. Orange blink Red On OS/Application error No USB communication. How to solve this problem. Thanks for the help. Link to comment Share on other sites More sharing options...
AlexUT Posted November 26, 2020 Report Share Posted November 26, 2020 Send your request to support@unitronics.com Add PLC Serial Number and version of used UniLogic. B.R. Link to comment Share on other sites More sharing options...
Antal Posted November 26, 2020 Author Report Share Posted November 26, 2020 Thank you for your answer. I took it back to the dealer, got another one. It works well. Link to comment Share on other sites More sharing options...
RAFlauzino Posted March 20, 2021 Report Share Posted March 20, 2021 I'm have the same problem. The serial number is U9RF0A00019. I'm using several version of unilogi. Tha last one is version 1.26.90 Link to comment Share on other sites More sharing options...
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