# Printer getting error and doesn't even start printing

**URL:** <https://klipper.discourse.group/t/printer-getting-error-and-doesnt-even-start-printing/17168>\
**Category:** General Discussion\
**Created:** [June 20, 2024, 2:52am UTC](https://klipper.discourse.group/t/printer-getting-error-and-doesnt-even-start-printing/17168 "2024-06-20T02:52:21Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [June 20, 2024, 7:09pm UTC](https://klipper.discourse.group/t/printer-getting-error-and-doesnt-even-start-printing/17168/2 "2024-06-20T19:09:12Z")

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From the log, your error is: `Transition to shutdown state: Lost communication with MCU 'mcu'`

See [Timeout with MCU / Lost communication with MCU](https://klipper.discourse.group/t/timeout-with-mcu-lost-communication-with-mcu/6639) for potential reasons.

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