Changing the head and not powering up

[Wellmeadow @wellmeadow]

I know this is a technical question, but everyone seems to be here in Chatter, so hope it’s okay to ask here…

I had a minor problem with my head in that it stopped heating before every print started - once the bed had levelled and it had done its mini purge on the wiper. I solved it by manually lowering the target temperature for a few seconds. The heater kicked in again and then I raised the target temperature back up. All fine. Been working that way for weeks. Apparently this is a rare problem associated with an earth leakage inside the head .

Then some spare heads arrived in the country so CEL offered to swap it out so I sent mine back and they sent a new one to me (the two crossed in the post, which is great service).

I now put it on my Robox and the machine won’t power up properly. If I remove the head (with the power disconnected of course) then the boards power up fine - albeit without the 24V. With it on, I notice that LED4 on the main board is flickering on once per second or so. I can start in safe mode and all is still readable - I just can’t get the 24V to power up.

Does this ring any bells with anyone?

Trying to spread the word about 3D printing to small and medium sized businesses in the West Midlands.

[Wellmeadow @wellmeadow]

Doh!

Bowden Tube electrical connector upside down. *looks sheepish*.

Trying to spread the word about 3D printing to small and medium sized businesses in the West Midlands.

[pelgrim @pelgrim]

Don’t know about anyone else, but when I receive an email notification when a new message is posted, I check the new topics in the index on the right side to see what’s new,
not caring in which category a new topic is.
Of topic, but your problem seems to be solved anyway

java (EE), JavaFX, HTML, GIS) programmer, database wizard, framework inventor, looking for a job ! http://roboxing.com/wizards

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