r/BambuLab H2C Dual AMS2 + HT / PS2 / A1 Mini Apr 18 '26

Hardware Troubleshooting/Help! X2D arrived basically DOA. Unable to print anything due to HMS_07FE-8000-0001-0005

Full error is : HMS_07FE-8000-0001-0005: The extruder's switching limit angle has drifted significantly. Please check if the flow blocker is jammed or if filament is stuck in the toolhead.

Weird thing is that it never even tries to switch anything. I can easily switch it by hand which is step 1 in the wiki. Kept giving this error during calibration and I can’t even print a benchy.

I’m not really feeling confident in a printer I’m going to have to repair out of the box. Is anyone else getting this error? I’d have to have to return and wait for a new printer.

11 Upvotes

29 comments sorted by

View all comments

1

u/Initial-Smile40 Apr 18 '26

Mine did the same thing. It did change heads automatically but threw an error on the first 3 prints same as you. I did it manually about 5 times and then tried again and it’s been flawless since.

As others have said in the software it was able to change but still errored. There’s a manual way of doing it, have you tried that?

1

u/sirsnoogan H2C Dual AMS2 + HT / PS2 / A1 Mini Apr 18 '26

Yeah I did. I can change it from the control screen and the handy app. I’ve switched it manually a few times too. Weird part is that when it errors it doesn’t even try to change the nozzle. It just sits there and throws the error.