# \#stuck-on **URL:** https://tech-community.robotics.abb.com/tag/stuck-on/592.md [Latest](https://tech-community.robotics.abb.com/latest.md) · [Categories](https://tech-community.robotics.abb.com/categories.md) · [Tags](https://tech-community.robotics.abb.com/tags.md) --- ## [Seemingly random inverted signal](https://tech-community.robotics.abb.com/t/seemingly-random-inverted-signal/7939)
**Author:** [@nezzreth](https://tech-community.robotics.abb.com/u/nezzreth)\ **Replies:** 4\ **Last updated:** [January 18, 2021, 12:16pm UTC](https://tech-community.robotics.abb.com/t/seemingly-random-inverted-signal/7939 "2021-01-18T12:16:28Z")
Of the 30 or so ABB robots at my plant, maybe once or twice a month a random DO gets inverted and therefore stuck ON. A warm-start always fixes the issue but on certain machines it’s more common. Does anyone know how o…