Printer Model: Ender 5plus
MCU / Printerboard: BTT Manta M8P V1.1 with CB1
Fill out above information and in all cases attach your
klippy.log file. Pasting your
printer.cfg is not needed
Be sure to check our Knowledge Base and in particular this and this post
Describe your issue: I am trying to use the Pi fan port to power a fan for the CB1. This is the callout in printer cfg but I get this error “Unknown pin chip name ‘CB1’”.
klippy (3).log (81.0 KB)
You haven’t added the CB1 as a 2nd MCU. Or at least have not defined a [mcu CB1] in your printer config.
You need to flash Klipper (setup for Linux) to the CB1 (similar to how you flash Klipper to RPI for input shaper). Then define:
Can’t confirm if the ‘gpio79’ is right or wrong…
That worked. I would like to figure out how to have the fan turn on at a specific CB1 temperature. Right now it turns on with the hotend. I’ve called out the CB1 temp sensor.
Just to close the loop, I got the fan to work like I wanted using this:
One kind request I have:
Please always put your code snippets between code braces.
I makes reading more easy and spaces do not get lost: