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Have I fried the Einsy on my Mk3S?  

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Fleenbucket
(@fleenbucket)
New Member
Have I fried the Einsy on my Mk3S?

So, when rewiring I accidentally connected the PSU 24V out connectors to the heatbed out connectors on the Einsy, and it now fails the self-test at the heatbed stage. Have I fried my Einsy, requiring a replacement? If not, can someone help with troubleshooting/fixing?

Posted : 08/08/2022 2:49 pm
Diem
 Diem
(@diem)
Famed Member

Can one of the moderators move this thread to i3 Mk3 please?

First check all your fuses, there is a good chance one of them blew.

Cheerio,

Posted : 08/08/2022 3:07 pm
Fleenbucket
(@fleenbucket)
New Member
Topic starter answered:
RE:

Thanks for the response, Diem.

That was the first thing I tried. I checked both the 5A and the 15A fuses, and they are all OK.

This post was modified 2 months ago by Fleenbucket
Posted : 08/08/2022 4:02 pm
Diem
 Diem
(@diem)
Famed Member

Do you have a multimeter?

Check the resistance of the heatbed - there should be a low resistance, not an open circuit or a dead short.

Then likewise with the thermistor.

Cheerio,

Posted : 08/08/2022 7:02 pm
Fleenbucket
(@fleenbucket)
New Member
Topic starter answered:
RE: Have I fried the Einsy on my Mk3S?

Yes, I do, but I can't get to the printer for a bit. I'll reply when I've had a chance to check.

Posted : 08/08/2022 7:32 pm
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