# Manta MP8 v2 shutdown: i2c timeout

**URL:** <https://klipper.discourse.group/t/manta-mp8-v2-shutdown-i2c-timeout/18892>\
**Category:** General Discussion\
**Created:** [September 18, 2024, 6:55pm UTC](https://klipper.discourse.group/t/manta-mp8-v2-shutdown-i2c-timeout/18892 "2024-09-18T18:55:09Z")\
**Posts on this page:** 1\
**Showing post:** 51

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**Author:** ![borysne](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/borysne/32/14612_2.png) [@borysne](https://klipper.discourse.group/u/borysne)\
**Post date:** [September 20, 2024, 4:53pm UTC](https://klipper.discourse.group/t/manta-mp8-v2-shutdown-i2c-timeout/18892/51 "2024-09-20T16:53:18Z")

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> [@mykepredko](#):
>
> You seem to have indicated that you just have PB6/PB7 wired. I would still like a picture of what you have done and how things are wired.
> 
> You indicated that there is a problem with getting 'scope pictures of the data. With the soldering/desoldering (I was expecting that you would only use plug in connectors) I think it’s really critical to see what’s going on the lines. I don’t understand why you are unable to get a shot of what’s going on the line.

ok, I won’t move on to plan B for now. )))

1. this is what my connection looks like now. !!!no resistors to the wiring!!!

 ![connection](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/7/7f685c3ca86f342bd69dacd27ec437d2ba35ba07.jpeg)

 ![20240920_194316](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/7/7bf7050e463e6af97a568bda35ac42cc98266450.jpeg)  
 ![20240920_194307](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/c/cbedd75783a3cf34b30becf6e5ee6cbd302f03b4.jpeg)  
 ![pic_39_111](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/9/9172d67793d8c2acb390deea02985898c43892ca.jpeg)

nothing happens on the oscilloscope! !!!voltage 3.36v!!!

until the bus transmission starts! but the transmission does not start, a Klipper error appears

> [@mykepredko](#):
>
> Stop posting abbreviated/edited `klipyy.log` files. I would really like to see the complete file. If you think it is too large (although you should be able to .zip it and post it here), then do a `Reset` on the Mainsail “Machine” page and then post the new file after you’ve run a new test.

[klippy (8).zip](https://klipper.discourse.group/uploads/short-url/fS2jix13orar5Q5aWk55vhbHPWz.zip) (4.0 MB)

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