Electronics Forum: fern (Page 1 of 1)

estop error wont go away on vitronics delta max

Electronics Forum | Fri Jun 15 12:07:13 EDT 2018 | fern

My company is hooking up a delta max wave solder machine but we can seem to get the estop error to go away any one have a any experience with this issue.

Samsung cp40 error code: 8311

Electronics Forum | Thu Sep 09 13:41:43 EDT 2021 | fernsure

Tried suggested solution in manual to no avail. Reseated every connector we could get to. Has anyone run into this error, and found a solution? This error does not allow me to ignore this head and use the other two. Thanks Fern

Samsung cp40 error code: 8311

Electronics Forum | Mon Jan 16 09:50:38 EST 2023 | mra

Hi Fern, I'm getting the same error on my CP40 and cannot clear it as well, did you finally find out what to do to solve it? Thanks in advance!

Dendrite growth

Electronics Forum | Tue Feb 19 12:41:20 EST 2008 | patrickbruneel

Yes dendrites can cause electrical shorts. The first stage of dendritic growth is a dark fern like pattern which reduce surface insulation between anode and cathode. In a more advanced stage the ferns transfer the plating metals of the conductors and

Chemical Reaction

Electronics Forum | Sat Jun 23 07:34:26 EDT 2007 | davef

This sounds like a form of corrosion called electromigration. It creates cathode anodic filaments. They have a fern like shape because it is a metallic based crystal structure. Electromigration requires: * Difference of electrical potential * Chemica

Latent shorts on QFN package

Electronics Forum | Wed Mar 04 11:16:25 EST 2009 | patrickbruneel

From your description of the problem first reduced SIR to dead short is exactly what happens with dendrite growth. What is needed to form them is low bias voltage (10 volt range is ideal with low current), a surface, 2 conductors (containing tin), io


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