Red border on some blocks and signals

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Atrin Tabibi on 20 Jan 2021

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https://uk.mathworks.com/matlabcentral/answers/722522-red-border-on-some-blocks-and-signals

Commented: Martin on 10 Dec 2025 at 13:42

Some of my bloacks and signals turned red however I have no errror or earning. What is the issue?

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Rohit Pappu on 27 Jan 2021

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https://uk.mathworks.com/matlabcentral/answers/722522-red-border-on-some-blocks-and-signals#answer_607148

There could be a possibility that Sample Time Colors information overlay has been enabled for the above model.

Additional documentation can be found here

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Atrin Tabibi on 5 Feb 2021

It is not enabled.

Martin on 10 Dec 2025 at 13:42

Although this thread is already a few years old and the reply didn't help the originator, it helped me (sample time colors was activated and I was not aware of that feature), so I just wanted to say thank you!

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