# My BLTouch is flashing a red light, why?

**URL:** <https://3dprintingspace.com/t/my-bltouch-is-flashing-a-red-light-why/106>\
**Category:** General Discussion\
**Created:** [January 27, 2021, 3:59pm UTC](https://3dprintingspace.com/t/my-bltouch-is-flashing-a-red-light-why/106 "2021-01-27T15:59:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tony](https://3dps-assets.b-cdn.net/user_avatar/3dprintingspace.com/tony/32/218_2.png) [@tony](https://3dprintingspace.com/u/tony)\
**Post date:** [January 27, 2021, 3:59pm UTC](https://3dprintingspace.com/t/my-bltouch-is-flashing-a-red-light-why/106/1 "2021-01-27T15:59:49Z")

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This can be caused by the nozzle being to close to the bed when the auto-home sequence was executed or because the probe pin s not fully extending!

What you would do is - ever so gently - pull the pin down and see if full range is available.