There appears to be new concerns about the Bambu Labs A1 3D printer, which was recalled 2 years ago for an overheating issue tied to the heatbed cable.
I have been seeing user and community complaints about the Bambu A1 having an overheating electrical component, and that this had led to some issues including melting through of some of the printer’s plastic parts.
Looking at all of the different complaints and posts, it seems that the issue is tied to a thermistor – a temperature sensor – on the AC power board.
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That component has reportedly been overheating, failing, and then in some cases melting through the adjacent plastic surfaces.
I saw one recent post where a Bambu A1 that shipped in late December had the thermistor replaced by a different component.
There’s no recall yet, and also no Bambu Labs communications about the matter.
At this time, the reported issue is something to be mindful about if you have an A1 3D printer. I haven’t seen complaints about any other models yet.
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Bonnie
Thanks for the heads-up. I have one of these printers bought mid last year. I’ll be keeping an eye on it now.
Brian Puccio
And on the flip side, people have criticized Prusa for their AC mains powered bed being mains powered and allegedly the (or one of the) reason(s) there are no kits of the Core One XL: too easy for people to construct a fire hazard and sue Prusa.