During the last few days, I have an issue with my Snapmaker’s dual extruder, with neither nozzle heating up. I have attached a video of what happens. Any ideas of what may be causing this issue and any assistance on how it can be resolved will be greatly appreciated.
Are your hotends are well assembled/clicked in?
How do the pins of the socket look? - There where problems about broken or twisted pins of the socket some time ago at other members.
Check if the contacts to the Honend are broken out ( the contacts on the far right )
Was the case with me, received a replacement without any problems.
Other side (connector on the dual extruder side)?
these pins
with a little protector
myA350hotendbrd.stl (3.0 KB)
however, very odd both would fail at the same time. the usual fail is the POGO pin on the right is cracked and the pin floats
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Many thanks. Here are some more photos. The far right connectors on both extruder sockets seem to be bending (although it may just be the photo angle), so that may be causing the issue. Any advice on how to fix it?
yikes, both are failed. so…these pins are supposed to move forward and down during contact. when the hotends get locked taking them out sometimes could twist and push this edge.
for a patch you can print the little protector. then carefully push the side contact back(pcb part) and slide the protector from the back/bottom as much as you can till its past the screws and you can push down
you can also contact support@snapmaker.com for replacements
I have the same issue, tried to calibration, print one time, found new, firmware and updated. Neither extruder heats to 200 C now it will start to heat up and then switch to zero just like your video shows. I’m going through the process of talking with Support they’ve had me change hot ends, check the pins and now we’re testing microchips and ohms on connectors. Everything is in spec no broken pieces no bent pins.
this is so much just me spitballing… there really isn’t many areas of contacts. the pogo pins. small cable coming out of the top of the hotend and the main pcb board and its connects. most of which can be eyeballed and pushed to see if they are firmly seated. if the temp can’t be seen then it shuts down.
what’s odd is both extruders are failing. if both are being effected and the unit has never worked for you then maybe a set of bad cable/connects unluckily fell your way.
im thinking check/reseat the cables and connects. the POGO pins can also be taken out and reseated. also checking the cables may help spot a pushed pin somewhere
Many thanks, I already contacted Snapmaker support and I am waiting for a response.
I had been experiencing a nozzle temperature control not responding with the latest firmware.
It is unclear under what conditions this will occur.
I don’t know if this is related to your problem or not, but you can check it out if you like.
Same thing is happening to me