If your machine is new and you are under warranty you need to open a service requestSupport Ticket Form or email support@snapmaker.com .
As I see your old firmware was V1.10.0_20210125.bin, you could download it from the forum if you want to test the old version to double check if it’s a firmware fault.
Maybe some reading takes you further:
Sharing this to help anyone else facing the same problem.
I tried to print something for the first time in ages. My SM2 A350 has printed less than 1.5kg of filament since new.
Everything seemed to be working OK to start with, the bed heated up for calibration, but when I went to start the job, the bed would not heat up and the job would therefore not start.
I had heard of an issue with cable wear on the heated bed, (Snapmaker 2 heated bed cable hazard - #33 by razgilbert ) so I pulled mine apa…
Let us know your solution.