I would suspect the power supply as well. Did you use the included power supply or did you keep using your old one?
- 2 weeks later...
i've checked all cables about 10 times. there is def. no shorten circuit.
If i connect both power supplies, the machine does not reboot but the bed does not become warm.
i've re-checked the firmware and it says "Ultimaker original"
on the ulticontroller i can read the bed temperature which is nearly the same as the hotend.
the support tries to help me but afaik they also have no clue at the moment.
Edited by Guest
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macua85 52
Did you select the correct printer when you upgraded the firmware? I think I've read people having this problem when they accidentally selected ultimaker original plus.
Failing that, sound like maybe a short somewhere. Make sure the heater wires are not touching at all. I'd go over all of the wiring again and check it to make sure.
You can test the power unit theory. Simply remove the pigtail between the heated bed circuit board and the ultimaker power in plug (the wire that came with the HBK). Then use the separate UMO power adapter to power the printer, and the HBK power adapter for the bed only. I run mine this way with not problems. The point is, should show if there is a power brick problem.
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