just done the first filament loading (ABS). It’s gone through right to the printhead, but nothing have came out the nozzle. no melted material purged. What that could be? the filament is in position now, but don’t know what to do? Please, give me some advise.
Are you sure you loaded it like ABS and not PLA ?
What happens if you try to unload it ?
Yeah, positive. ABS settings provided. Have unloaded the filament and redone the procedure. It didnt come out the nozzle again…
Did you use PLA before loading ABS?
When you unloaded the ABS, what did the end of the filament look like? Had it melted? Had the end thickened? If it’s melted it shows there’s something blocking the nozzle. If it looks like a thickened elongated bulb at the end then you might want to try lowering the temperature, or loading initially by hand, as it might be softening the PTFE tube inside the nozzle and getting stuck there. That happens when filament sits for a long time in a hot nozzle and the temperature starts to creep up the PEEK insulator.
Did it take a very long time to reach the 240 to load the filament? If so it might well have blocked the nozzle with some old PLA that has carbonised due to the higher temperature.
I’m afraid you’ll have to do some detective work to find out what the cause is!
Make sure the tube you cut for the heat break is square and the correct length.
Did you already succeeded in loading PLA ?
Did you check the PTFE is well planted down deep inside the fitting in the head see this http://images.velleman.eu/manuals/vertex/building/18/011.jpg on this manual page : http://manuals.velleman.eu/article.php?id=30 ?
When inserting filament, take care to see 1.5 cm filament in the PTFE : http://images.velleman.eu/manuals/vertex/using/04/008.jpg
I use to cut the filament in diagonal… try this also.
[quote=“monza64”]Are you sure you loaded it like ABS and not PLA ?
…[/quote]
Normally you should be able to load ABS with PLA load settings. ABS is sufficently melted at 210. (but it’s impossible to print)