# Klipper error unknown pin chip can0

**URL:** <https://klipper.discourse.group/t/klipper-error-unknown-pin-chip-can0/17628>\
**Category:** General Discussion\
**Created:** [July 13, 2024, 5:40pm UTC](https://klipper.discourse.group/t/klipper-error-unknown-pin-chip-can0/17628 "2024-07-13T17:40:35Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AphofisX](https://avatars.discourse-cdn.com/v4/letter/a/51bf81/32.png) [@AphofisX](https://klipper.discourse.group/u/AphofisX)\
**Post date:** [July 13, 2024, 5:40pm UTC](https://klipper.discourse.group/t/klipper-error-unknown-pin-chip-can0/17628/1 "2024-07-13T17:40:35Z")

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### Basic Information:

Printer Model: Anycubic Chiron  
 MCU / Printerboard: BTT Manta m8p V1.1 / EBB36 V1.2  
 Host / SBC BTT CB1  
 klippy.log is to long

_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 have the BTT Manta m8p v1.1 and the BTT EBB36 and have flashed everything successfully, but I get the error unknown pin can0 in klipper, what could be the reason.  
Both UUIDS can be seen via SSH, but I have problems starting the Canbus network and I can’t re-flash klipper Canbus

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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:** [July 13, 2024, 5:56pm UTC](https://klipper.discourse.group/t/klipper-error-unknown-pin-chip-can0/17628/2 "2024-07-13T17:56:42Z")

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![grafik](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/c/c5bfe7316021d6c1f4f31c061f5893fd1e5b95e8.png)

> [@AphofisX](#):
>
> error unknown pin can0

`can0` cannot appear anywhere in a pin definition, so your cfg is faulty.

Check the documentation how to properly setup a CAN connection.

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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 11, 2024, 5:57pm UTC](https://klipper.discourse.group/t/klipper-error-unknown-pin-chip-can0/17628/3 "2024-09-11T17:57:34Z")

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Closed on September 11, 2024, 5:57pm UTC

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