K8400: Hotend not heating up

Hello,

during my last print the hotend1 was not able to keep the temperature and was dropping from 190°C to 165°C. A few seconds later, it stopped heating at all.
I lay the printer on the front side to have a look on the motherboard. Maybe only a cable got loose.
When doing this I have seen, that the cable loom (K8400-WL-EW) got burned. I think also the extruder board (P8400EXTED’TW) got damaged.
To be sure I’d like to exchange both. so I searched for spare parts.
I was able to find the cable loom (K8400-WL-EW) but not a spare extruder board (P8400EXTED’TW).
Can you sent me a link?
The order codes i retreived from (https://manuals.whadda.com/article.php?id=4)

Many Thanks, BR Thomas

Hello @xerox2k2 !

Sorry to see you have trouble ( from a K8400 user !)

I have found from previous search some vendors for P8400EXTED’TW
but not many and only in europe, and you have all the time 3 optical end-stop in the packadge and i don’t have tested these vendor …

So you should wait for an answer from one of the “VEL…” admin of the forum before ordering … (the last time they send one to the user after telling him to PM them is postal adresses …)

https://www.okaphone.com/artikel.asp?id=483413


https://www.atlantique-composants.fr/ProductCard/YKK8400EXTB/carte-extrudeur?pintHeadingID=9&pstrMenusID=5_1

Hoping you will have soon some kind answer from the forum admins ! Have a nice day !