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Troubleshooting Guide
This is going to be an ever-evolving page, as I learn of common issues people identify when setting up the plugin.
Got something you think should be on my list here? Ping me on the OctoPrint Discord @cp2004 or open an issue and I'll look into adding it. It helps both myself & other users, since people may come across the same issues you have.
Check you have a common ground between an external power supply, and the Pi. See more (including an example video) in the ticket here
Make sure you have the correct order of RGB strip selected in the strip settings. You can use the LED Strip test to help debug this issue quickly.
Make sure you restart the OctoPrint server, and reload the web interface. You should see the wizard pop up, or the light/torch icon in the navbar.
It is likely that the OS level config is incorrect. To fix this, please head to the OS Configuration Test section (under 'Utilities') to run a test and fix the configuration. Setting up SPI page
If you get the error:
ws2811_init failed with code -13 (Unable to initialize SPI)
From the plugin_ws281x_led_status_debug.log then it likely means that you have some extra peripherals attached to your Pi, that are taking up the SPI channels, therefore conflicting with the plugin's use of SPI.
The dependency that this plugin relies on was not updated to add support for these boards as of the last release of the plugin. Please see this issue for instructions of how to fix it.
Some strips do not like 3.3V signals, and if you do use 3.3v (without level shifter) then please keep the wires to the LEDs fairly short to avoid voltage drop.
User reported that SPI failed to initialise with the above screen, however commenting out the lines the guide asked you to enter meant that both the screen and LEDs could work at the same time.
If you have any questions, please don't hesitate to get in touch! You can:
- Open an issue with the question template
- Get support on the OctoPrint Discord @cp2004
- Get support on the Community Forums @Charlie_Powell
I developed the plugin in my free time, so if you have enjoyed the plugin, you can sponsor its development here from as little as $1
The plugin is licensed under the terms of the AGPLv3 License. The author (Charlie Powell) assumes no liability for it's usage and the plugin comes with no warranty.