Comment Comment by cthalupa You appear to be replying to the co-founder of iFixit, so presumably he knows what he's talking about.https://www.ifixit.com/Document/CPMKU1yOZAYVXbpB/FixHub_Sold...What he says matches their documentation as well:>Blue LED: The iron is below 40° C / 100° F and is safe to touch.>Purple LED: The iron is actively heating up or cooling down. Iron tip is not safe to touch.>Orange LED: The iron has reached the user-set temperature and is ready for soldering. Iron tip is not safe to touch. parent cthalupa 2 years ago
https://www.ifixit.com/Document/CPMKU1yOZAYVXbpB/FixHub_Sold...
What he says matches their documentation as well:
>Blue LED: The iron is below 40° C / 100° F and is safe to touch.
>Purple LED: The iron is actively heating up or cooling down. Iron tip is not safe to touch.
>Orange LED: The iron has reached the user-set temperature and is ready for soldering. Iron tip is not safe to touch.