# Suddenly no connection

**URL:** <https://klipper.discourse.group/t/suddenly-no-connection/18552>\
**Category:** General Discussion\
**Created:** [August 30, 2024, 8:09am UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552 "2024-08-30T08:09:53Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Quad121](https://avatars.discourse-cdn.com/v4/letter/q/5fc32e/32.png) [@Quad121](https://klipper.discourse.group/u/Quad121)\
**Post date:** [August 30, 2024, 8:09am UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552/1 "2024-08-30T08:09:53Z")

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### Basic Information:

Printer Model: Aquila D1  
 MCU / Printerboard:  
 Host / SBC  
 klippy.log  
[klippy.log](https://klipper.discourse.group/uploads/short-url/pam3S10sDJXph0dc6mXT3Z6dwlr.log) (753.0 KB)

_Fill out above information and_ **_in all cases attach your_ `klippy.log` _file_** (use zip to compress it, if too big). _Pasting your_ `printer.cfg` _is **not** needed_  
_ **Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there** _

### Describe your issue:

…I came to connect to the printer this morning and Mainsail just kept saying that Klipper couldn’t connect to the mcu? It was fully working the day before! I issued a ls /dev/serial/by-id/\* and it shows a connection so it isn’t a cable error so I’m not sure what’s going on?  
Any advice would be greatly appreciate

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<div class="post-metadata">

**Author:** ![Quad121](https://avatars.discourse-cdn.com/v4/letter/q/5fc32e/32.png) [@Quad121](https://klipper.discourse.group/u/Quad121)\
**Post date:** [August 30, 2024, 8:21am UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552/2 "2024-08-30T08:21:54Z")

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I think it’s now sorted

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**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\
**Post date:** [August 30, 2024, 8:26am UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552/3 "2024-08-30T08:26:24Z")

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Would be nice to tell the community what the issue was.

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<div class="post-metadata">

**Author:** ![Quad121](https://avatars.discourse-cdn.com/v4/letter/q/5fc32e/32.png) [@Quad121](https://klipper.discourse.group/u/Quad121)\
**Post date:** [August 30, 2024, 8:38am UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552/4 "2024-08-30T08:38:15Z")

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Hi Eddy, to be honest I rebooted the host which sorted the problem out, so I don’t know what the problem was

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\
**Post date:** [September 29, 2024, 6:38pm UTC](https://klipper.discourse.group/t/suddenly-no-connection/18552/5 "2024-09-29T18:38:18Z")

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