A wooden collet rack is still is a good solution. I also had to replace the control board in my Bambulabs AMS unit.
https://wiki.bambulab.com/en/x1/maintenance/replace-ams-main-board
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If you are interested in a Bambu Lab printer or filament, please use this affiliate link which will get you a discount, and Bambu will share a small portion of their profit to help support my channel. Thanks.
http://shrsl.com/2o4uj-2yn7-1cwx9
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Affiliate links to some of the parts and tools shown. If you purchase through these links, this channel receives a small portion of the profit, but it costs no extra to you.
Sunlu S2 filament dryer
EU Link - https://amzn.to/4eIVyzy
USA Link - https://amzn.to/3Y1f0lm
Transparent PLA filament
EU Link - https://amzn.to/3zsB0fN
USA Link - https://amzn.to/4eDMFan
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If you enjoy my content and would like to support my channel... I'd really appreciate it.
Please join me on Patreon and help build this community.
https://www.patreon.com/RotarySMP
or sign up for youtube memberships using the "JOIN" button above.
or please just buy me a coffee...
https://tinyurl.com/5cv2yscb
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Music
Southern Call - Cactus Flower.
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00:00 - Intro
00:26 - 1st Gridfinity
01:12 - Desiccant
02:01 - AMS Failure
02:48 - Replacement AMS control board
08:11 - Sunlu filament dryer
08:38 - When should you use Gridfinity?
09:57 - Freecad's Gridfinity workbench
11:53 - What tools don't need Gridfinity?
12:22 - Wooden collet holder block
16:56 - Summary